{"id":263498,"date":"2025-08-08T01:00:00","date_gmt":"2025-08-07T15:00:00","guid":{"rendered":"https:\/\/science.nasa.gov\/missions\/webb\/nasas-webb-finds-new-evidence-for-planet-around-closest-solar-twin\/"},"modified":"2025-08-08T01:00:00","modified_gmt":"2025-08-07T15:00:00","slug":"nasas-webb-finds-new-evidence-for-planet-around-closest-solar-twin-2","status":"publish","type":"post","link":"https:\/\/www.vibewire.com.au\/?p=263498","title":{"rendered":"NASA\u2019s Webb Finds New Evidence for Planet Around Closest Solar Twin"},"content":{"rendered":"<div id=\"\" class=\" hds-module hds-module-full alignfull wp-block-nasa-blocks-secondary-navigation\">\n<div class=\"hds-secondary-navigation-wrapper z-top width-100 padding-0\">\n<div id=\"\" class=\"hds-secondary-navigation width-full border-bottom-1px text-center hds-color-mode-light hds-module hds-module-full alignfull wp-block-nasa-blocks-hdsnav\"><button type=\"button\" class=\"hds-secondary-nav-mobile-button display-flex 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class=\"margin-0\">\n<div class=\"label color-spacesuit-white margin-bottom-2\">6 Min Read<\/div>\n<h1 class=\"heading-41 line-height-md color-spacesuit-white-important\">\n\t\t\t\t\t\t\t\tNASA\u2019s Webb Finds New Evidence for Planet Around Closest Solar Twin\t\t\t\t\t\t\t<\/h1>\n<\/p>\n<\/div>\n<\/div>\n<div class=\"grid-col-12 tablet:grid-col-12 desktop:grid-col-5\"><\/div>\n<div class=\"skrim-overlay skrim-left mobile-skrim-top z-200\"><\/div>\n<figure class=\"hds-media-background  \"><img fetchpriority=\"high\" decoding=\"async\" width=\"4800\" height=\"2700\" src=\"https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K0FMETMS0VXZ8BNRCB205DKK-5K.tif?w=4800&#038;h=2700&#038;%23038;fit=clip&#038;%23038;crop=faces%2Cfocalpoint\" class=\"attachment-1536x1536 size-1536x1536\" alt=\"Illustration of a large spherical object that looks like a gas giant planet. The object appears to have bands of tan, orange, and dark red horizontal lines forming patterns similar to those in the atmosphere of Jupiter. The background is filled with thousands of distant stars that form a Milky Way-like band running from left to right. The host star, Alpha Centauri A, appears as a glowing white circle to the upper left of the planet. Further off in the distance above and to the right of the planet is a smaller glowing circle, nearby Alpha Centauri B. The words \u201cArtist\u2019s Concept\u201d are in the lower left corner.\" style=\"transform: scale(1); transform-origin: 67% 24%; object-position: 67% 24%; object-fit: cover;\" block_context=\"nasa-block\" loading=\"eager\" srcset=\"https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K0FMETMS0VXZ8BNRCB205DKK-5K.tif?w=4800&#038;h=2700&#038;fit=crop&#038;crop=faces%2Cfocalpoint 4800w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K0FMETMS0VXZ8BNRCB205DKK-5K.tif?w=300&#038;h=169&#038;fit=crop&#038;crop=faces%2Cfocalpoint 300w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K0FMETMS0VXZ8BNRCB205DKK-5K.tif?w=768&#038;h=432&#038;fit=crop&#038;crop=faces%2Cfocalpoint 768w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K0FMETMS0VXZ8BNRCB205DKK-5K.tif?w=1024&#038;h=576&#038;fit=crop&#038;crop=faces%2Cfocalpoint 1024w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K0FMETMS0VXZ8BNRCB205DKK-5K.tif?w=1536&#038;h=864&#038;fit=crop&#038;crop=faces%2Cfocalpoint 1536w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K0FMETMS0VXZ8BNRCB205DKK-5K.tif?w=2048&#038;h=1152&#038;fit=crop&#038;crop=faces%2Cfocalpoint 2048w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K0FMETMS0VXZ8BNRCB205DKK-5K.tif?w=400&#038;h=225&#038;fit=crop&#038;crop=faces%2Cfocalpoint 400w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K0FMETMS0VXZ8BNRCB205DKK-5K.tif?w=600&#038;h=338&#038;fit=crop&#038;crop=faces%2Cfocalpoint 600w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K0FMETMS0VXZ8BNRCB205DKK-5K.tif?w=900&#038;h=506&#038;fit=crop&#038;crop=faces%2Cfocalpoint 900w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K0FMETMS0VXZ8BNRCB205DKK-5K.tif?w=1200&#038;h=675&#038;fit=crop&#038;crop=faces%2Cfocalpoint 1200w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K0FMETMS0VXZ8BNRCB205DKK-5K.tif?w=2000&#038;h=1125&#038;fit=crop&#038;crop=faces%2Cfocalpoint 2000w\" sizes=\"auto, (max-width: 4800px) 100vw, 4800px\" \/><\/figure>\n<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"padding-y-3 padding-x-3\">\n<div class=\"grid-container grid-container-block padding-x-0\"><figcaption class=\"hds-caption maxw-mobile desktop:padding-x-3\">\n<div class=\"hds-caption-text p-sm margin-0 color-carbon-30\">\n<div><figcaption>This artist\u2019s concept shows what a gas giant orbiting Alpha Centauri A could look like. Observations of the triple star system Alpha Centauri using NASA\u2019s James Webb Space Telescope indicate the potential gas giant, about the mass of Saturn, orbiting the star by about two times the distance between the Sun and Earth. Full illustration and caption shown below.<\/figcaption><\/div>\n<\/p>\n<\/div>\n<div class=\"hds-credits color-spacesuit-white-important\">\n\t\t\t\t\t\t\t<span>Credits: <\/span><br \/>\n\t\t\t\t\t\t\t<span>Artwork: NASA, ESA, CSA, STScI, R. Hurt (Caltech\/IPAC)<\/span>\n\t\t\t\t\t\t<\/div>\n<\/figcaption><\/div>\n<\/p>\n<\/div>\n<\/div>\n<p>Astronomers using NASA\u2019s James Webb Space Telescope have found strong evidence of a giant planet orbiting a star in the stellar system closest to our own Sun. At just 4 light-years away from Earth, the <a href=\"https:\/\/svs.gsfc.nasa.gov\/20377\" rel=\"noopener\">Alpha Centauri triple star system<\/a> has long been a compelling target in the search for worlds beyond our solar system.<\/p>\n<p>Visible only from Earth\u2019s Southern hemisphere, it\u2019s made up of the binary Alpha Centauri A and Alpha Centauri B, both Sun-like stars, and the faint red dwarf star Proxima Centauri. Alpha Centauri A is the third brightest star in the night sky. While there are three confirmed planets orbiting Proxima Centauri, the presence of other worlds surrounding Alpha Centauri A and Alpha Centauri B has proved challenging to confirm.<\/p>\n<p>Now, Webb\u2019s observations from its Mid-Infrared Instrument (MIRI) are providing the strongest evidence to date of a gas giant orbiting Alpha Centauri A. The results have been accepted in a series of two papers in The Astrophysical Journal Letters.<\/p>\n<p>If confirmed, the planet would be the closest to Earth that orbits in the <a href=\"https:\/\/science.nasa.gov\/exoplanets\/habitable-zone\/\" rel=\"noopener\">habitable zone<\/a> of a Sun-like star. However, because the planet candidate is a gas giant, scientists say it would not support life as we know it.<\/p>\n<p>\u201cWith this system being so close to us, any exoplanets found would offer our best opportunity to collect data on planetary systems other than our own. Yet, these are incredibly challenging observations to make, even with the world\u2019s most powerful space telescope, because these stars are so bright, close, and move across the sky quickly,\u201d said Charles Beichman, NASA\u2019s Jet Propulsion Laboratory and the NASA Exoplanet Science Institute at Caltech\u2019s IPAC astronomy center, co-first author on the new papers. \u201cWebb was designed and optimized to find the most distant galaxies in the universe. The operations team at the Space Telescope Science Institute had to come up with a custom observing sequence just for this target, and their extra effort paid off spectacularly.\u201d<\/p>\n<h2 class=\"wp-block-heading\">Image A: Alpha Centauri 3 Panel (DSS, Hubble, Webb)<\/h2>\n<div id=\"\" class=\"hds-media hds-module wp-block-image\">\n<div class=\"margin-left-auto margin-right-auto nasa-block-align-wide\">\n<div class=\"hds-media-wrapper margin-left-auto margin-right-auto\">\n<figure class=\"hds-media-inner hds-cover-wrapper hds-media-ratio-fit \"><a href=\"https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K1EFFN1NVGTZ2DT2A3KYT6GG-5K.jpg?w=5037&#038;h=1679&#038;%23038;fit=clip&#038;%23038;crop=faces%2Cfocalpoint\" rel=\"noopener\"><img decoding=\"async\" width=\"5037\" height=\"1679\" src=\"https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K1EFFN1NVGTZ2DT2A3KYT6GG-5K.jpg?w=5037&#038;h=1679&#038;%23038;fit=clip&#038;%23038;crop=faces%2Cfocalpoint\" class=\"attachment-2048x2048 size-2048x2048\" alt=\"Three panels, each showing a different view of the binary star system Alpha Centauri. The panel at the left is a Digitized Sky Survey image showing a single bright point source at the center of a black image with small stars scattered throughout. The very center of this bright source is outlined with a vertical box, tilted slightly to the left, with two diagonal lines leading to the second panel. The Hubble Space Telescope image shows two white stars with 4 diffraction spikes each against a black background. The top star is labeled Alpha Cen B and the bottom Alpha Cen A. Alpha Cen A is outlined with a white square with two diagonal lines leading to the third panel at the furthest right, which shows a James Webb Space Telescope image of the star. Within a large white circle there is a blurry red-toned field with an orange star icon and central black circle outlined in white marking the location of Alpha Cen A. A bright orange blob at 9 o\u2019clock in relation to the star is labeled \u201cS1\u201d and circled.\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" loading=\"lazy\" srcset=\"https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K1EFFN1NVGTZ2DT2A3KYT6GG-5K.jpg?w=5037&#038;h=1679&#038;fit=crop&#038;crop=faces%2Cfocalpoint 5037w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K1EFFN1NVGTZ2DT2A3KYT6GG-5K.jpg?w=300&#038;h=100&#038;fit=crop&#038;crop=faces%2Cfocalpoint 300w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K1EFFN1NVGTZ2DT2A3KYT6GG-5K.jpg?w=768&#038;h=256&#038;fit=crop&#038;crop=faces%2Cfocalpoint 768w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K1EFFN1NVGTZ2DT2A3KYT6GG-5K.jpg?w=1024&#038;h=341&#038;fit=crop&#038;crop=faces%2Cfocalpoint 1024w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K1EFFN1NVGTZ2DT2A3KYT6GG-5K.jpg?w=1536&#038;h=512&#038;fit=crop&#038;crop=faces%2Cfocalpoint 1536w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K1EFFN1NVGTZ2DT2A3KYT6GG-5K.jpg?w=2048&#038;h=683&#038;fit=crop&#038;crop=faces%2Cfocalpoint 2048w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K1EFFN1NVGTZ2DT2A3KYT6GG-5K.jpg?w=400&#038;h=133&#038;fit=crop&#038;crop=faces%2Cfocalpoint 400w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K1EFFN1NVGTZ2DT2A3KYT6GG-5K.jpg?w=600&#038;h=200&#038;fit=crop&#038;crop=faces%2Cfocalpoint 600w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K1EFFN1NVGTZ2DT2A3KYT6GG-5K.jpg?w=900&#038;h=300&#038;fit=crop&#038;crop=faces%2Cfocalpoint 900w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K1EFFN1NVGTZ2DT2A3KYT6GG-5K.jpg?w=1200&#038;h=400&#038;fit=crop&#038;crop=faces%2Cfocalpoint 1200w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K1EFFN1NVGTZ2DT2A3KYT6GG-5K.jpg?w=2000&#038;h=667&#038;fit=crop&#038;crop=faces%2Cfocalpoint 2000w\" sizes=\"auto, (max-width: 5037px) 100vw, 5037px\" \/><\/a><\/figure><figcaption class=\"hds-caption padding-y-2\">\n<div class=\"hds-caption-text p-sm margin-0\">This image shows the Alpha Centauri star system from several different ground- and space-based observatories: the Digitized Sky Survey (DSS), NASA\u2019s Hubble Space Telescope, and NASA\u2019s James Webb Space Telescope. Alpha Centauri A is the third brightest star in the night sky, and the closest Sun-like star to Earth. The ground-based image from DSS shows the triple system as a single source of light, while Hubble resolves the two Sun-like stars in the system, Alpha Centauri A and Alpha Centauri B. The image from Webb\u2019s MIRI (Mid-Infrared Instrument), which uses a coronagraphic mask to block the bright glare from Alpha Centauri A, reveals a potential planet orbiting the star.<\/div>\n<div class=\"hds-credits\">Science: NASA, ESA, CSA, STScI, DSS, A. Sanghi (Caltech), C. Beichman (NExScI, NASA\/JPL-Caltech), D. Mawet (Caltech); Image Processing: J. DePasquale (STScI)<\/div>\n<\/figcaption><\/div>\n<\/div>\n<\/div>\n<p>Several rounds of meticulously planned observations by Webb, careful analysis by the research team, and extensive computer modeling helped determine that the source seen in Webb\u2019s image is likely to be a planet, and not a background object (like a galaxy), foreground object (a passing asteroid), or other detector or image artifact.<\/p>\n<p>The first observations of the system took place in August 2024, using the coronagraphic mask aboard MIRI to block Alpha Centauri A\u2019s light. While extra brightness from the nearby companion star Alpha Centauri B complicated the analysis, the team was able to <a href=\"https:\/\/webbtelescope.org\/contents\/media\/images\/2025\/135\/01K1EGBCQASKXVFTBBJ1JMQ7BJ\"  rel=\"noreferrer noopener\">subtract out the light<\/a> from both stars to reveal an object over 10,000 times fainter than Alpha Centauri A, separated from the star by about two times the distance between the Sun and Earth.<\/p>\n<h2 class=\"wp-block-heading\">Image B: Alpha Centauri 3 Panel (Webb MIRI Image Detail)<\/h2>\n<div id=\"\" class=\"hds-media hds-module wp-block-image\">\n<div class=\"margin-left-auto margin-right-auto nasa-block-align-wide\">\n<div class=\"hds-media-wrapper margin-left-auto margin-right-auto\">\n<figure class=\"hds-media-inner hds-cover-wrapper hds-media-ratio-fit \"><a href=\"https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K1EGCCN75KGPW4KSQVRHQ58C-5K.jpg?w=5037&#038;h=1800&#038;%23038;fit=clip&#038;%23038;crop=faces%2Cfocalpoint\" rel=\"noopener\"><img decoding=\"async\" width=\"5037\" height=\"1800\" src=\"https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K1EGCCN75KGPW4KSQVRHQ58C-5K.jpg?w=5037&#038;h=1800&#038;%23038;fit=clip&#038;%23038;crop=faces%2Cfocalpoint\" class=\"attachment-2048x2048 size-2048x2048\" alt=\"Three panels, each showing a different view of the binary star system Alpha Centauri from the Webb. The left panel shows a rectangular image tilted at a 45 degree angle outlined in white on a grey background. The image is a blown-out bright source at the center, with 8, double columned reddish white diffraction spikes. The center of this bright source is outlined with a vertical box, tilted slightly to the left, with two diagonal lines leading to the second panel. This shows a view of both Alpha Centauri A at the bottom and Alpha Centauri B at the top, both with orange star icons over each star. The star icons are surrounded by mottled red and white blotches. The bottom star is outlined with a white square with two diagonal lines leading to the third panel. Within a large white circle there is a blurry red-toned field with an orange star icon and central black circle outlined in white marking the location of Alpha Cen A. A bright orange blob at 9 o\u2019clock in relation to the star is labeled \u201cS1\u201d and circled.\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" loading=\"lazy\" srcset=\"https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K1EGCCN75KGPW4KSQVRHQ58C-5K.jpg?w=5037&#038;h=1800&#038;fit=crop&#038;crop=faces%2Cfocalpoint 5037w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K1EGCCN75KGPW4KSQVRHQ58C-5K.jpg?w=300&#038;h=107&#038;fit=crop&#038;crop=faces%2Cfocalpoint 300w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K1EGCCN75KGPW4KSQVRHQ58C-5K.jpg?w=768&#038;h=274&#038;fit=crop&#038;crop=faces%2Cfocalpoint 768w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K1EGCCN75KGPW4KSQVRHQ58C-5K.jpg?w=1024&#038;h=366&#038;fit=crop&#038;crop=faces%2Cfocalpoint 1024w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K1EGCCN75KGPW4KSQVRHQ58C-5K.jpg?w=1536&#038;h=549&#038;fit=crop&#038;crop=faces%2Cfocalpoint 1536w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K1EGCCN75KGPW4KSQVRHQ58C-5K.jpg?w=2048&#038;h=732&#038;fit=crop&#038;crop=faces%2Cfocalpoint 2048w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K1EGCCN75KGPW4KSQVRHQ58C-5K.jpg?w=400&#038;h=143&#038;fit=crop&#038;crop=faces%2Cfocalpoint 400w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K1EGCCN75KGPW4KSQVRHQ58C-5K.jpg?w=600&#038;h=214&#038;fit=crop&#038;crop=faces%2Cfocalpoint 600w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K1EGCCN75KGPW4KSQVRHQ58C-5K.jpg?w=900&#038;h=322&#038;fit=crop&#038;crop=faces%2Cfocalpoint 900w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K1EGCCN75KGPW4KSQVRHQ58C-5K.jpg?w=1200&#038;h=429&#038;fit=crop&#038;crop=faces%2Cfocalpoint 1200w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K1EGCCN75KGPW4KSQVRHQ58C-5K.jpg?w=2000&#038;h=715&#038;fit=crop&#038;crop=faces%2Cfocalpoint 2000w\" sizes=\"auto, (max-width: 5037px) 100vw, 5037px\" \/><\/a><\/figure><figcaption class=\"hds-caption padding-y-2\">\n<div class=\"hds-caption-text p-sm margin-0\">This three-panel image captures NASA\u2019s James Webb Space Telescope\u2019s observational search for a planet around the nearest Sun-like star, Alpha Centauri A. The initial image shows the bright glare of Alpha Centauri A and Alpha Centauri B, and the middle panel then shows the system with a coronagraphic mask placed over Alpha Centauri A to block its bright glare. However, the way the light bends around the edges of the coronagraph creates ripples of light in the surrounding space. The telescope\u2019s optics (its mirrors and support structures) cause some light to interfere with itself, producing circular and spoke-like patterns. These complex light patterns, along with light from the nearby Alpha Centauri B, make it incredibly difficult to spot faint planets. In the panel at the right, astronomers have subtracted the known patterns (using reference images and algorithms) to clean up the image and reveal faint sources like the candidate planet.<\/div>\n<div class=\"hds-credits\">Science: NASA, ESA, CSA, STScI, A. Sanghi (Caltech), C. Beichman (NExScI, NASA\/JPL-Caltech), D. Mawet (Caltech); Image Processing: J. DePasquale (STScI)<\/div>\n<\/figcaption><\/div>\n<\/div>\n<\/div>\n<p>While the initial detection was exciting, the research team needed more data to come to a firm conclusion. However, additional observations of the system in February 2025 and April 2025 (using <a href=\"https:\/\/www.stsci.edu\/jwst\/science-execution\/program-information?id=9252\"  rel=\"noreferrer noopener\">Director\u2019s Discretionary Time<\/a>) did not reveal any objects like the one identified in August 2024.<\/p>\n<p>\u201cWe are faced with the case of a disappearing planet! To investigate this mystery, we used computer models to simulate millions of potential orbits, incorporating the knowledge gained when we saw the planet, as well as when we did not,\u201d said PhD student Aniket Sanghi of Caltech in Pasadena, California. Sanghi is a co-first author on the two papers covering the team\u2019s research.<\/p>\n<p>In these simulations, the team took into account both <a href=\"https:\/\/www.nature.com\/articles\/s41467-021-21176-6\"  rel=\"noreferrer noopener\">a 2019 sighting of the potential exoplanet candidate by the European Southern Observatory\u2019s Very Large Telescope<\/a>, the new data from Webb, and considered orbits that would be gravitationally stable in the presence of Alpha Centauri B, meaning the planet wouldn\u2019t get flung out of the system.<\/p>\n<p>Researchers say a non-detection in the second and third round of observations with Webb isn\u2019t surprising.<\/p>\n<p>\u201cWe found that in half of the possible orbits simulated, the planet moved too close to the star and wouldn\u2019t have been visible to Webb in both February and April 2025,\u201d said Sanghi.<\/p>\n<h2 class=\"wp-block-heading\">Image C: Alpha Centauri A Planet Candidate (Artist\u2019s Concept)<\/h2>\n<div id=\"\" class=\"hds-media hds-module wp-block-image\">\n<div class=\"margin-left-auto margin-right-auto nasa-block-align-wide\">\n<div class=\"hds-media-wrapper margin-left-auto margin-right-auto\">\n<figure class=\"hds-media-inner hds-cover-wrapper hds-media-ratio-fit \"><a href=\"https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K0FMETMS0VXZ8BNRCB205DKK-5K.tif?w=4800&#038;h=2700&#038;%23038;fit=clip&#038;%23038;crop=faces%2Cfocalpoint\" rel=\"noopener\"><img decoding=\"async\" width=\"4800\" height=\"2700\" src=\"https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K0FMETMS0VXZ8BNRCB205DKK-5K.tif?w=4800&#038;h=2700&#038;%23038;fit=clip&#038;%23038;crop=faces%2Cfocalpoint\" class=\"attachment-2048x2048 size-2048x2048\" alt=\"Illustration of a large spherical object that looks like a gas giant planet. The object appears to have bands of tan, orange, and dark red horizontal lines forming patterns similar to those in the atmosphere of Jupiter. The background is filled with thousands of distant stars that form a Milky Way-like band running from left to right. The host star, Alpha Centauri A, appears as a glowing white circle to the upper left of the planet. Further off in the distance above and to the right of the planet is a smaller glowing circle, nearby Alpha Centauri B. The words \u201cArtist\u2019s Concept\u201d are in the lower left corner.\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" loading=\"lazy\" srcset=\"https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K0FMETMS0VXZ8BNRCB205DKK-5K.tif?w=4800&#038;h=2700&#038;fit=crop&#038;crop=faces%2Cfocalpoint 4800w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K0FMETMS0VXZ8BNRCB205DKK-5K.tif?w=300&#038;h=169&#038;fit=crop&#038;crop=faces%2Cfocalpoint 300w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K0FMETMS0VXZ8BNRCB205DKK-5K.tif?w=768&#038;h=432&#038;fit=crop&#038;crop=faces%2Cfocalpoint 768w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K0FMETMS0VXZ8BNRCB205DKK-5K.tif?w=1024&#038;h=576&#038;fit=crop&#038;crop=faces%2Cfocalpoint 1024w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K0FMETMS0VXZ8BNRCB205DKK-5K.tif?w=1536&#038;h=864&#038;fit=crop&#038;crop=faces%2Cfocalpoint 1536w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K0FMETMS0VXZ8BNRCB205DKK-5K.tif?w=2048&#038;h=1152&#038;fit=crop&#038;crop=faces%2Cfocalpoint 2048w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K0FMETMS0VXZ8BNRCB205DKK-5K.tif?w=400&#038;h=225&#038;fit=crop&#038;crop=faces%2Cfocalpoint 400w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K0FMETMS0VXZ8BNRCB205DKK-5K.tif?w=600&#038;h=338&#038;fit=crop&#038;crop=faces%2Cfocalpoint 600w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K0FMETMS0VXZ8BNRCB205DKK-5K.tif?w=900&#038;h=506&#038;fit=crop&#038;crop=faces%2Cfocalpoint 900w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K0FMETMS0VXZ8BNRCB205DKK-5K.tif?w=1200&#038;h=675&#038;fit=crop&#038;crop=faces%2Cfocalpoint 1200w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/missions\/webb\/science\/2025\/webb-STScI-01K0FMETMS0VXZ8BNRCB205DKK-5K.tif?w=2000&#038;h=1125&#038;fit=crop&#038;crop=faces%2Cfocalpoint 2000w\" sizes=\"auto, (max-width: 4800px) 100vw, 4800px\" \/><\/a><\/figure><figcaption class=\"hds-caption padding-y-2\">\n<div class=\"hds-caption-text p-sm margin-0\">This artist\u2019s concept shows what a gas giant orbiting Alpha Centauri A could look like. Observations of the triple star system Alpha Centauri using NASA\u2019s James Webb Space Telescope indicate the potential gas giant, about the mass of Saturn, orbiting the star by about two times the distance between the Sun and Earth. In this concept, Alpha Centauri A is depicted at the upper left of the planet, while the other Sun-like star in the system, Alpha Centauri B, is at the upper right. Our Sun is shown as a small dot of light between those two stars.<\/div>\n<div class=\"hds-credits\">Artwork: NASA, ESA, CSA, STScI, R. Hurt (Caltech\/IPAC)<\/div>\n<\/figcaption><\/div>\n<\/div>\n<\/div>\n<p>Based on the brightness of the planet in the mid-infrared observations and the orbit simulations, researchers say it could be a gas giant approximately the mass of Saturn orbiting Alpha Centauri A in an elliptical path varying between 1 to 2 times the distance between Sun and Earth.<\/p>\n<p>\u201cIf confirmed, the potential planet seen in the Webb image of Alpha Centauri A would mark a new milestone for exoplanet imaging efforts,\u201d Sanghi says. \u201cOf all the directly imaged planets, this would be the closest to its star seen so far. It\u2019s also the most similar in temperature and age to the giant planets in our solar system, and nearest to our home, Earth,\u201d he says. \u201cIts very existence in a system of two closely separated stars would challenge our understanding of how planets form, survive, and evolve in chaotic environments.\u201d<\/p>\n<p>If confirmed by additional observations, the team\u2019s results could transform the future of exoplanet science.<\/p>\n<p>\u201cThis would become a touchstone object for exoplanet science, with multiple opportunities for detailed characterization by Webb and other observatories,\u201d said Beichman.<\/p>\n<p>For example, NASA\u2019s Nancy Grace Roman Space Telescope, set to launch by May 2027 and potentially as early as fall 2026, is equipped with dedicated hardware that will test new technologies to observe binary systems like Alpha Centauri in search of other worlds. Roman\u2019s visible light data would complement Webb\u2019s infrared observations, yielding unique insights on the size and reflectivity of the planet.<\/p>\n<p>The James Webb Space Telescope is the world\u2019s premier space science observatory. Webb is solving mysteries in our solar system, looking beyond to distant worlds around other stars, and probing the mysterious structures and origins of our universe and our place in it. Webb is an international program led by NASA with its partners, ESA (European Space Agency) and CSA (Canadian Space Agency).<\/p>\n<p>To learn more about Webb, visit:<\/p>\n<p class=\"has-text-align-center\"><a href=\"https:\/\/science.nasa.gov\/webb\" rel=\"noopener\"><strong>https:\/\/science.nasa.gov\/webb<\/strong><\/a><\/p>\n<h2 class=\"wp-block-heading\" id=\"h-downloads\">Downloads<\/h2>\n<p><strong>Click any image to open a larger version.<\/strong><\/p>\n<p><strong><a href=\"https:\/\/webbtelescope.org\/contents\/news-releases\/2025\/news-2025-135#section-id-2\"  rel=\"noreferrer noopener\">View\/Download all image products at all resolutions<\/a><\/strong> for this article from the Space Telescope Science Institute.<\/p>\n<p><strong><a href=\"https:\/\/arxiv.org\/abs\/2508.03814\"  rel=\"noreferrer noopener\">View\/Download the science paper by C. Beichman et al.<\/a><\/strong><\/p>\n<p><strong><a href=\"https:\/\/arxiv.org\/abs\/2508.03812\"  rel=\"noreferrer noopener\">View\/Download the science paper by A. Sanghi et al.<\/a><\/strong><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\" id=\"h-media-contacts\">Media Contacts<\/h2>\n<p><strong>Laura\u00a0Betz<\/strong>\u00a0\u2013\u00a0<a href=\"mailto:laura.e.betz@nasa.gov\">laura.e.betz@nasa.gov<\/a><br \/>NASA\u2019s <a href=\"http:\/\/www.nasa.gov\/goddard\"  rel=\"noreferrer noopener\">Goddard Space Flight Center<\/a>, Greenbelt, Md.<\/p>\n<p><strong>Hannah Braun<\/strong> \u2013 <a href=\"mailto:hbraun@stsci.edu\"  rel=\"noreferrer noopener\">hbraun@stsci.edu<\/a><br \/><a href=\"https:\/\/www.stsci.edu\/\"  rel=\"noreferrer noopener\">Space Telescope Science Institute<\/a>, Baltimore, Md.<\/p>\n<p><strong>Christine Pulliam<\/strong>\u00a0\u2013\u00a0<a href=\"mailto:cpulliam@stsci.edu\"  rel=\"noreferrer noopener\">cpulliam@stsci.edu<\/a><br \/><a href=\"https:\/\/www.stsci.edu\/\"  rel=\"noreferrer noopener\">Space Telescope Science Institute<\/a>, Baltimore, Md.<\/p>\n<\/p>\n<h2 class=\"wp-block-heading\" id=\"h-related-information\">Related Information<\/h2>\n<p><strong>Video:<\/strong> <a href=\"https:\/\/youtu.be\/ahuc_Z_0sx4?feature=shared\"  rel=\"noreferrer noopener\">How to Study Exoplanets: Webb and Challenges<\/a><\/p>\n<p><strong>Webb Blog:<\/strong> <a href=\"https:\/\/science.nasa.gov\/blogs\/webb\/2022\/09\/01\/nasas-webb-takes-its-first-ever-direct-image-of-distant-world\/\" rel=\"noopener\">NASA\u2019s Webb Takes Its First-Ever Direct Image of Distant World<\/a><\/p>\n<p><strong>Webb Blog:<\/strong> <a href=\"https:\/\/science.nasa.gov\/blogs\/webb\/2023\/03\/24\/how-webbs-coronagraphs-reveal-exoplanets-in-the-infrared\/\" rel=\"noopener\">How Webb\u2019s Coronagraphs Reveal Exoplanets in the Infrared<\/a><\/p>\n<p><strong>Video:<\/strong> <a href=\"https:\/\/webbtelescope.org\/contents\/media\/videos\/2019\/29\/1210-Video\"  rel=\"noreferrer noopener\">Eclipse\/Coronagraph Animation<\/a><\/p>\n<p><strong><a href=\"https:\/\/science.nasa.gov\/mission\/webb\/latestnews\/\" rel=\"noopener\">More Webb News<\/a><\/strong><\/p>\n<p><strong><a href=\"https:\/\/science.nasa.gov\/mission\/webb\/multimedia\/images\/\" rel=\"noopener\">More Webb Images<\/a><\/strong><\/p>\n<p><a href=\"https:\/\/science.nasa.gov\/mission\/webb\/science-overview\/\" rel=\"noopener\"><strong>Webb Science Themes<\/strong><\/a><\/p>\n<p><strong><a href=\"https:\/\/science.nasa.gov\/mission\/webb\/\" rel=\"noopener\">Webb Mission Page<\/a><\/strong> <\/p>\n<\/p>\n<h2 class=\"wp-block-heading\" id=\"h-related-for-kids\">Related For Kids<\/h2>\n<p><a href=\"https:\/\/spaceplace.nasa.gov\/james-webb-space-telescope\/en\/\"  rel=\"noreferrer noopener\"><strong>What is the Webb Telescope?<\/strong><\/a><\/p>\n<p><a href=\"https:\/\/spaceplace.nasa.gov\/\"  rel=\"noreferrer noopener\"><strong>SpacePlace for Kids<\/strong><\/a><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\" id=\"h-en-espanol\">En Espa\u00f1ol<\/h2>\n<p><a href=\"https:\/\/ciencia.nasa.gov\/\"  rel=\"noreferrer noopener\"><strong>Ciencia de la NASA<\/strong><\/a><\/p>\n<p><a href=\"https:\/\/www.nasa.gov\/es\/\"  rel=\"noreferrer noopener\"><strong>NASA en espa\u00f1ol\u00a0<\/strong><\/a><\/p>\n<p><a href=\"https:\/\/spaceplace.nasa.gov\/sp\/\"  rel=\"noreferrer noopener\"><strong>Space Place\u00a0para ni\u00f1os<\/strong><\/a><\/p>\n<div id=\"\" class=\"hds-topic-cards nasa-gb-align-full maxw-full width-full padding-y-6 padding-x-3 color-mode-dark hds-module hds-module-full alignfull wp-block-nasa-blocks-topic-cards\">\n<div class=\"grid-container grid-container-block-lg padding-x-0\">\n<div class=\"grid-row flex-align-center margin-bottom-3\">\n<div class=\"desktop:grid-col-8 margin-bottom-2 desktop:margin-bottom-0\">\n<div class=\"label color-carbon-60 margin-bottom-2\">Keep Exploring<\/div>\n<h2 class=\"heading-36 line-height-sm\">Related Topics<\/h2>\n<\/p>\n<\/div>\n<\/div>\n<div class=\"grid-row grid-gap-2 hds-topic-cards-wrapper\">\n\t\t\t\t\t<a href=\"https:\/\/science.nasa.gov\/james-webb-space-telescope\/\" class=\"mobile:grid-col-12 tablet:grid-col-6 desktop:grid-col-3 topic-card margin-bottom-4 desktop:margin-bottom-0\" rel=\"noopener\"><\/p>\n<div class=\"hds-topic-card hds-cover-wrapper cover-hover-zoom bg-carbon-black\">\n<div class=\"skrim-overlay skrim-overlay-dark skrim-left mobile-skrim-top padding-3 display-flex flex-align-end flex-justify-start z-200\">\n<div>\n<h3 class=\"hds-topic-card-heading heading-29 color-spacesuit-white line-height-sm margin-top-0 margin-bottom-1\">\n\t\t\t\t\t\t\t\t<span>James Webb Space Telescope<\/span><br \/>\n\t\t\t\t\t\t\t\t<svg viewBox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><circle class=\"color-nasa-red\" cx=\"16\" cy=\"16\" r=\"16\"><\/circle><path d=\"M8 16.956h12.604l-3.844 4.106 1.252 1.338L24 16l-5.988-6.4-1.252 1.338 3.844 4.106H8v1.912z\" class=\"color-spacesuit-white\"><\/path><\/svg><br \/>\n\t\t\t\t\t\t\t<\/h3>\n<p class=\"margin-bottom-0 margin-top-2 color-carbon-20-important\">Webb is the premier observatory of the next decade, serving thousands of astronomers worldwide. It studies every phase in the\u2026<\/p>\n<\/p>\n<\/div>\n<\/div>\n<figure class=\"hds-media-background  \"><img decoding=\"async\" width=\"1536\" height=\"890\" src=\"https:\/\/science.nasa.gov\/wp-content\/uploads\/2023\/03\/main-image-star-forming-region-carina-nircam-final-5mb-1-jpeg.webp?w=1536\" class=\"attachment-1536x1536 size-1536x1536\" alt=\"\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" loading=\"lazy\" srcset=\"https:\/\/science.nasa.gov\/wp-content\/uploads\/2023\/03\/main-image-star-forming-region-carina-nircam-final-5mb-1-jpeg.webp 3600w, https:\/\/science.nasa.gov\/wp-content\/uploads\/2023\/03\/main-image-star-forming-region-carina-nircam-final-5mb-1-jpeg.webp?resize=300,174 300w, https:\/\/science.nasa.gov\/wp-content\/uploads\/2023\/03\/main-image-star-forming-region-carina-nircam-final-5mb-1-jpeg.webp?resize=768,445 768w, https:\/\/science.nasa.gov\/wp-content\/uploads\/2023\/03\/main-image-star-forming-region-carina-nircam-final-5mb-1-jpeg.webp?resize=1024,593 1024w, https:\/\/science.nasa.gov\/wp-content\/uploads\/2023\/03\/main-image-star-forming-region-carina-nircam-final-5mb-1-jpeg.webp?resize=1536,890 1536w, https:\/\/science.nasa.gov\/wp-content\/uploads\/2023\/03\/main-image-star-forming-region-carina-nircam-final-5mb-1-jpeg.webp?resize=2048,1186 2048w, https:\/\/science.nasa.gov\/wp-content\/uploads\/2023\/03\/main-image-star-forming-region-carina-nircam-final-5mb-1-jpeg.webp?resize=400,232 400w, https:\/\/science.nasa.gov\/wp-content\/uploads\/2023\/03\/main-image-star-forming-region-carina-nircam-final-5mb-1-jpeg.webp?resize=600,348 600w, https:\/\/science.nasa.gov\/wp-content\/uploads\/2023\/03\/main-image-star-forming-region-carina-nircam-final-5mb-1-jpeg.webp?resize=900,521 900w, https:\/\/science.nasa.gov\/wp-content\/uploads\/2023\/03\/main-image-star-forming-region-carina-nircam-final-5mb-1-jpeg.webp?resize=1200,695 1200w, https:\/\/science.nasa.gov\/wp-content\/uploads\/2023\/03\/main-image-star-forming-region-carina-nircam-final-5mb-1-jpeg.webp?resize=2000,1158 2000w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" \/><\/figure>\n<\/p>\n<\/div>\n<p>\t\t\t<\/a><br \/>\n\t\t\t\t\t<a href=\"https:\/\/science.nasa.gov\/mission\/roman-space-telescope\/exoplanets\/\" class=\"mobile:grid-col-12 tablet:grid-col-6 desktop:grid-col-3 topic-card margin-bottom-4 desktop:margin-bottom-0\" rel=\"noopener\"><\/p>\n<div class=\"hds-topic-card hds-cover-wrapper cover-hover-zoom bg-carbon-black\">\n<div class=\"skrim-overlay skrim-overlay-dark skrim-left mobile-skrim-top padding-3 display-flex flex-align-end flex-justify-start z-200\">\n<div>\n<p class=\"hds-topic-card-heading heading-29 color-spacesuit-white line-height-sm margin-top-0 margin-bottom-1\">\n\t\t\t\t\t\t\t\t<span>Exoplanets<\/span><br \/>\n\t\t\t\t\t\t\t\t<svg viewBox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><circle class=\"color-nasa-red\" cx=\"16\" cy=\"16\" r=\"16\"><\/circle><path d=\"M8 16.956h12.604l-3.844 4.106 1.252 1.338L24 16l-5.988-6.4-1.252 1.338 3.844 4.106H8v1.912z\" class=\"color-spacesuit-white\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/p>\n<\/p>\n<\/div>\n<\/div>\n<figure class=\"hds-media-background  \"><img decoding=\"async\" width=\"1536\" height=\"864\" src=\"https:\/\/science.nasa.gov\/wp-content\/uploads\/2023\/10\/exoplanets1.jpg?w=1536\" class=\"attachment-1536x1536 size-1536x1536\" alt=\"\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" loading=\"lazy\" srcset=\"https:\/\/science.nasa.gov\/wp-content\/uploads\/2023\/10\/exoplanets1.jpg 1920w, https:\/\/science.nasa.gov\/wp-content\/uploads\/2023\/10\/exoplanets1.jpg?resize=300,169 300w, https:\/\/science.nasa.gov\/wp-content\/uploads\/2023\/10\/exoplanets1.jpg?resize=768,432 768w, https:\/\/science.nasa.gov\/wp-content\/uploads\/2023\/10\/exoplanets1.jpg?resize=1024,576 1024w, https:\/\/science.nasa.gov\/wp-content\/uploads\/2023\/10\/exoplanets1.jpg?resize=1536,864 1536w, https:\/\/science.nasa.gov\/wp-content\/uploads\/2023\/10\/exoplanets1.jpg?resize=400,225 400w, https:\/\/science.nasa.gov\/wp-content\/uploads\/2023\/10\/exoplanets1.jpg?resize=600,338 600w, https:\/\/science.nasa.gov\/wp-content\/uploads\/2023\/10\/exoplanets1.jpg?resize=900,506 900w, https:\/\/science.nasa.gov\/wp-content\/uploads\/2023\/10\/exoplanets1.jpg?resize=1200,675 1200w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" \/><\/figure>\n<\/p>\n<\/div>\n<p>\t\t\t<\/a><br \/>\n\t\t\t\t\t<a href=\"https:\/\/science.nasa.gov\/universe\/stars\/\" class=\"mobile:grid-col-12 tablet:grid-col-6 desktop:grid-col-3 topic-card margin-bottom-4 desktop:margin-bottom-0\" rel=\"noopener\"><\/p>\n<div class=\"hds-topic-card hds-cover-wrapper cover-hover-zoom bg-carbon-black\">\n<div class=\"skrim-overlay skrim-overlay-dark skrim-left mobile-skrim-top padding-3 display-flex flex-align-end flex-justify-start z-200\">\n<div>\n<p class=\"hds-topic-card-heading heading-29 color-spacesuit-white line-height-sm margin-top-0 margin-bottom-1\">\n\t\t\t\t\t\t\t\t<span>Stars<\/span><br \/>\n\t\t\t\t\t\t\t\t<svg viewBox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><circle class=\"color-nasa-red\" cx=\"16\" cy=\"16\" r=\"16\"><\/circle><path d=\"M8 16.956h12.604l-3.844 4.106 1.252 1.338L24 16l-5.988-6.4-1.252 1.338 3.844 4.106H8v1.912z\" class=\"color-spacesuit-white\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/p>\n<\/p>\n<\/div>\n<\/div>\n<figure class=\"hds-media-background  \"><img decoding=\"async\" width=\"1536\" height=\"864\" src=\"https:\/\/science.nasa.gov\/wp-content\/uploads\/2023\/06\/may102022-x1pt5flare-171-131-304-jpg.webp?w=1536\" class=\"attachment-1536x1536 size-1536x1536\" alt=\"\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" loading=\"lazy\" srcset=\"https:\/\/science.nasa.gov\/wp-content\/uploads\/2023\/06\/may102022-x1pt5flare-171-131-304-jpg.webp 1920w, https:\/\/science.nasa.gov\/wp-content\/uploads\/2023\/06\/may102022-x1pt5flare-171-131-304-jpg.webp?resize=300,169 300w, https:\/\/science.nasa.gov\/wp-content\/uploads\/2023\/06\/may102022-x1pt5flare-171-131-304-jpg.webp?resize=768,432 768w, https:\/\/science.nasa.gov\/wp-content\/uploads\/2023\/06\/may102022-x1pt5flare-171-131-304-jpg.webp?resize=1024,576 1024w, https:\/\/science.nasa.gov\/wp-content\/uploads\/2023\/06\/may102022-x1pt5flare-171-131-304-jpg.webp?resize=1536,864 1536w, https:\/\/science.nasa.gov\/wp-content\/uploads\/2023\/06\/may102022-x1pt5flare-171-131-304-jpg.webp?resize=400,225 400w, https:\/\/science.nasa.gov\/wp-content\/uploads\/2023\/06\/may102022-x1pt5flare-171-131-304-jpg.webp?resize=600,338 600w, https:\/\/science.nasa.gov\/wp-content\/uploads\/2023\/06\/may102022-x1pt5flare-171-131-304-jpg.webp?resize=900,506 900w, https:\/\/science.nasa.gov\/wp-content\/uploads\/2023\/06\/may102022-x1pt5flare-171-131-304-jpg.webp?resize=1200,675 1200w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" \/><\/figure>\n<\/p>\n<\/div>\n<p>\t\t\t<\/a><br \/>\n\t\t\t\t\t<a href=\"https:\/\/science.nasa.gov\/universe\/\" class=\"mobile:grid-col-12 tablet:grid-col-6 desktop:grid-col-3 topic-card margin-bottom-4 desktop:margin-bottom-0\" rel=\"noopener\"><\/p>\n<div class=\"hds-topic-card hds-cover-wrapper cover-hover-zoom bg-carbon-black\">\n<div class=\"skrim-overlay skrim-overlay-dark skrim-left mobile-skrim-top padding-3 display-flex flex-align-end 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0c0-228-188-416-416-416V132c285 0 520 235 520 520z\"\/><circle cx=\"219\" cy=\"581\" r=\"71\"\/><\/svg><br \/>\n\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"grid-col-12 desktop:grid-col-5 padding-right-4 margin-bottom-5 desktop:margin-bottom-0\">\n<div class=\"padding-top-3 border-top-1px border-color-carbon-black\">\n<div class=\"margin-bottom-2\">\n<h2 class=\"heading-14\">Details<\/h2>\n<\/p>\n<\/div>\n<div class=\"grid-row margin-bottom-3\">\n<div class=\"grid-col-4\">\n<div class=\"subheading\">Last Updated<\/div>\n<\/p>\n<\/div>\n<div class=\"grid-col-8\">Aug 07, 2025<\/div>\n<\/p>\n<\/div>\n<div class=\"grid-row margin-bottom-3\">\n<div class=\"grid-col-4\">\n<div class=\"subheading\">Editor<\/div>\n<\/div>\n<div class=\"grid-col-8\">Marty McCoy<\/div>\n<\/div>\n<div class=\"grid-row margin-bottom-3\">\n<div class=\"grid-col-4\">\n<div class=\"subheading\">Contact<\/div>\n<\/div>\n<div class=\"grid-col-8\">\n<div class=\"margin-bottom-3\">\n<div>Laura Betz<\/div>\n<div><a href=\"mailto:laura.e.betz@nasa.gov\">laura.e.betz@nasa.gov<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"grid-col-12 desktop:grid-col-5 padding-right-4 margin-bottom-5 desktop:margin-bottom-0\">\n<div class=\"padding-top-3 border-top-1px border-color-carbon-black \">\n<div class=\"margin-bottom-2\">\n<h2 class=\"heading-14\">Related Terms<\/h2>\n<\/div>\n<ul class=\"article-tags\">\n<li class=\"article-tag\"><a href=\"https:\/\/science.nasa.gov\/mission\/webb\" rel=\"noopener\">James Webb Space Telescope (JWST)<\/a><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Astronomers using NASA\u2019s James Webb Space Telescope have found strong evidence of a giant planet orbiting a star in the stellar system closest to our own Sun. At just 4 light-years away from Earth, the Alpha Centauri triple star system has long been a compelling target in the search for worlds beyond our solar system. [\u2026]<\/p>\n","protected":false},"author":24,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[15637],"tags":[],"class_list":["post-263498","post","type-post","status-publish","format-standard","hentry","category-james-webb-space-telescope-jwst"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.vibewire.com.au\/index.php?rest_route=\/wp\/v2\/posts\/263498","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vibewire.com.au\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vibewire.com.au\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vibewire.com.au\/index.php?rest_route=\/wp\/v2\/users\/24"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vibewire.com.au\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=263498"}],"version-history":[{"count":3,"href":"https:\/\/www.vibewire.com.au\/index.php?rest_route=\/wp\/v2\/posts\/263498\/revisions"}],"predecessor-version":[{"id":263574,"href":"https:\/\/www.vibewire.com.au\/index.php?rest_route=\/wp\/v2\/posts\/263498\/revisions\/263574"}],"wp:attachment":[{"href":"https:\/\/www.vibewire.com.au\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=263498"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vibewire.com.au\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=263498"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vibewire.com.au\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=263498"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}