{"id":486010,"date":"2026-07-23T01:00:19","date_gmt":"2026-07-22T15:00:19","guid":{"rendered":"https:\/\/science.nasa.gov\/photojournal\/mapping-ios-hidden-heat-with-nasas-juno\/"},"modified":"2026-07-23T01:00:19","modified_gmt":"2026-07-22T15:00:19","slug":"mapping-ios-hidden-heat-with-nasas-juno","status":"publish","type":"post","link":"https:\/\/www.vibewire.com.au\/?p=486010","title":{"rendered":"Mapping Io\u2019s Hidden Heat With NASA\u2019s Juno"},"content":{"rendered":"<div id=\"\" class=\"hds-article-hero-header nasa-gb-align-full bg-carbon-90 width-full maxw-full color-mode-dark hds-module hds-module-full alignfull wp-block-nasa-blocks-article-hero-header\">\n<div class=\"hds-cover-wrapper width-full maxw-full minh-tablet grid-container minh-tablet flex-column padding-0\">\n<div class=\"hds-foreground-wrapper display-flex flex-direction-column\">\n<div class=\"grid-container grid-container-block margin-top-auto width-full maxw-desktop-lg padding-y-9 padding-x-3 desktop:padding-x-3 z-400\">\n<div class=\"z-400 grid-col-12 tablet:grid-col-12 desktop:grid-col-7 z-400\">\n<div class=\"margin-0\">\n<div class=\"label color-spacesuit-white margin-bottom-2\">2 Min Read<\/div>\n<h1 class=\"heading-41 line-height-md color-spacesuit-white-important\">\n\t\t\t\t\t\t\t\tMapping Io\u2019s Hidden Heat With NASA\u2019s Juno\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=\"1307\" height=\"1188\" src=\"https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26757\/PIA26757.png?w=1307&#038;h=1188&#038;%23038;fit=clip&#038;%23038;crop=faces%2Cfocalpoint\" class=\"attachment-1536x1536 size-1536x1536\" alt=\"A spherical projection of Io overlaid with a latitude and longitude grid. Broad, curved tracks \u2014 composed of overlapping ellipses crossing the surface \u2014 are black across the center and left of the globe, transitioning to blue toward the lower right.\" style=\"transform: scale(1.2); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" loading=\"eager\" srcset=\"https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26757\/PIA26757.png?w=1307&#038;h=1188&#038;fit=crop&#038;crop=faces%2Cfocalpoint 1307w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26757\/PIA26757.png?w=300&#038;h=273&#038;fit=crop&#038;crop=faces%2Cfocalpoint 300w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26757\/PIA26757.png?w=768&#038;h=698&#038;fit=crop&#038;crop=faces%2Cfocalpoint 768w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26757\/PIA26757.png?w=1024&#038;h=931&#038;fit=crop&#038;crop=faces%2Cfocalpoint 1024w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26757\/PIA26757.png?w=400&#038;h=364&#038;fit=crop&#038;crop=faces%2Cfocalpoint 400w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26757\/PIA26757.png?w=600&#038;h=545&#038;fit=crop&#038;crop=faces%2Cfocalpoint 600w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26757\/PIA26757.png?w=900&#038;h=818&#038;fit=crop&#038;crop=faces%2Cfocalpoint 900w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26757\/PIA26757.png?w=1200&#038;h=1091&#038;fit=crop&#038;crop=faces%2Cfocalpoint 1200w\" sizes=\"auto, (max-width: 1307px) 100vw, 1307px\" \/><\/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>PIA26757<\/figcaption><\/div>\n<\/p>\n<\/div>\n<div class=\"hds-credits color-spacesuit-white-important\">\n\t\t\t\t\t\t<span>Credits: <\/span><br \/>\n\t\t\t\t\t\t<span>NASA\/JPL-Caltech\/SwRI\/USGS<\/span>\n\t\t\t\t\t<\/div>\n<\/figcaption><\/div>\n<\/p>\n<\/div>\n<\/div>\n<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-dark hds-module hds-module-full alignfull wp-block-nasa-blocks-hdsnav\"><button type=\"button\" class=\"hds-secondary-nav-mobile-button 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hds-module\">\n<div class=\"CustomFields hds-media \">\n<div id=\"\" class=\"hds-featured-file-list bg-spacesuit-white padding-x-2 tablet:padding-x-3 desktop:padding-x-4 padding-y-5 desktop:padding-y-6 hds-module align wp-block-nasa-blocks-file-list\">\n<div class=\"grid-container grid-container-block padding-0\">\n<div class=\"grid-row width-full margin-bottom-4\">\n<div class=\"grid-col-12 desktop:grid-col-6 margin-bottom-2 desktop:margin-bottom-0\">\n<h2 role=\"textbox\" class=\"heading-22\">\n\t\t\t\t\tDownloads\t\t\t\t<\/h2>\n<\/p>\n<\/div>\n<div class=\"grid-col-12 desktop:grid-col-6\">\n<div class=\"desktop:grid-col display-flex flex-align-center desktop:flex-justify-end\">\n\t\t\t\t\t\t\t\t\t<\/div>\n<\/p>\n<\/div>\n<\/div>\n<div class=\"hds-list-row hds-file-list-row\">\n<div class=\"hds-list-thumbnail hds-file-list-thumbnail\">\n<div class=\"hds-list-thumbnail-inner hds-file-list-thumbnail-inner hds-cover-wrapper\">\n<figure class=\"hds-media-background  \"><img decoding=\"async\" width=\"1307\" height=\"1188\" src=\"https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26757\/PIA26757.png?w=1307&#038;h=1188&#038;%23038;fit=clip&#038;%23038;crop=faces%2Cfocalpoint\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" loading=\"lazy\" data-video-loop=\"\" srcset=\"https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26757\/PIA26757.png?w=1307&#038;h=1188&#038;fit=crop&#038;crop=faces%2Cfocalpoint 1307w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26757\/PIA26757.png?w=300&#038;h=273&#038;fit=crop&#038;crop=faces%2Cfocalpoint 300w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26757\/PIA26757.png?w=768&#038;h=698&#038;fit=crop&#038;crop=faces%2Cfocalpoint 768w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26757\/PIA26757.png?w=1024&#038;h=931&#038;fit=crop&#038;crop=faces%2Cfocalpoint 1024w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26757\/PIA26757.png?w=400&#038;h=364&#038;fit=crop&#038;crop=faces%2Cfocalpoint 400w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26757\/PIA26757.png?w=600&#038;h=545&#038;fit=crop&#038;crop=faces%2Cfocalpoint 600w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26757\/PIA26757.png?w=900&#038;h=818&#038;fit=crop&#038;crop=faces%2Cfocalpoint 900w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26757\/PIA26757.png?w=1200&#038;h=1091&#038;fit=crop&#038;crop=faces%2Cfocalpoint 1200w\" sizes=\"auto, (max-width: 1307px) 100vw, 1307px\" \/><\/figure>\n<\/div>\n<\/div>\n<div class=\"hds-list-details\">\n<div class=\"hds-list-name hds-file-list-name\">\n<h2 class=\"heading-22\">Mapping Io\u2019s Hidden Heat With NASA\u2019s Juno<\/h2>\n<\/p>\n<\/div>\n<div class=\"hds-list-meta\">\n<div class=\"hds-list-meta-item hds-list-date hds-file-list-date\">\n<p class=\"p-sm\">\n<\/div>\n<div class=\"hds-list-meta-item hds-file-list-filetype\">\n<p class=\"p-sm\">PNG (1.89 MB)<\/p>\n<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"hds-list-cta hds-file-list-download\">\n\t\t\t\t\t<a href=\"https:\/\/assets.science.nasa.gov\/content\/dam\/science\/psd\/photojournal\/pia\/pia26\/pia26757\/PIA26757.png\"  download rel=\"noopener\"><br \/>\n\t\t\t\t\t\t<svg width=\"32\" height=\"32\" viewBox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><circle cx=\"16\" cy=\"16.0001\" r=\"16\" fill=\"#1C67E3\"\/><path d=\"M15.2357 8.00007L15.2357 16.4829L11.9504 13.4078L10.8801 14.4094L16.0001 19.2001L21.1201 14.4094L20.0499 13.4078L16.7645 16.4829L16.7645 8.00007L15.2357 8.00007Z\" fill=\"white\"\/><path fill-rule=\"evenodd\" clip-rule=\"evenodd\" d=\"M9.6 20.8001V18.4001H8V22.4001H24V18.4001H22.4V20.8001H9.6Z\" fill=\"white\"\/><\/svg><br \/>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<h2 class=\"wp-block-heading\">Description<\/h2>\n<p>This graphic illustrates the areas of Jupiter\u2019s moon Io sampled by the Microwave Radiometer (MWR) instrument aboard NASA\u2019s Juno spacecraft during two close flybys. The black overlapping lines show the instrument\u2019s footprints during Perijove 57 on Dec. 30, 2023, when the spacecraft primarily mapped the northern hemisphere. The blue lines represent Perijove 58 on Feb. 3, 2024, which focused heavily on the moon\u2019s mid-latitudes and equatorial regions.\u00a0<\/p>\n<p>Both passes mapped the side of Io that constantly faces Jupiter. The sweeping, overlapping patterns are a result of the spacecraft spinning at two revolutions per minute as it flew past the moon at a distance of roughly 930 miles (1,500 kilometers).\u00a0<\/p>\n<p>NASA\u2019s Jet Propulsion Laboratory, a division of Caltech in Pasadena, California, manages the Juno mission for the principal investigator, Scott Bolton, of the Southwest Research Institute in San Antonio. Juno is part of NASA\u2019s New Frontiers Program, which is managed at NASA\u2019s Marshall Space Flight Center in Huntsville, Alabama, for the agency\u2019s\u00a0Science Mission Directorate in Washington. The MWR was built by JPL. Lockheed Martin Space in Denver built and operates the spacecraft.<\/p>\n<p>More information about Juno is at:\u00a0<a href=\"http:\/\/www.nasa.gov\/juno\"  rel=\"noreferrer noopener\">http:\/\/www.nasa.gov\/juno<\/a>\u00a0and\u00a0<a href=\"http:\/\/missionjuno.swri.edu\/\"  rel=\"noreferrer noopener\">http:\/\/missionjuno.swri.edu<\/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\">Discover More Topics From Photojournal<\/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\/photojournal\/\" 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>Photojournal<\/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=\"5000\" height=\"1848\" src=\"https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia22\/pia22567\/PIA22567.jpg?w=5000&#038;h=1848&#038;%23038;fit=clip&#038;%23038;crop=faces%2Cfocalpoint\" 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:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia22\/pia22567\/PIA22567.jpg?w=5000&#038;h=1848&#038;fit=crop&#038;crop=faces%2Cfocalpoint 5000w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia22\/pia22567\/PIA22567.jpg?w=300&#038;h=111&#038;fit=crop&#038;crop=faces%2Cfocalpoint 300w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia22\/pia22567\/PIA22567.jpg?w=768&#038;h=284&#038;fit=crop&#038;crop=faces%2Cfocalpoint 768w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia22\/pia22567\/PIA22567.jpg?w=1024&#038;h=378&#038;fit=crop&#038;crop=faces%2Cfocalpoint 1024w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia22\/pia22567\/PIA22567.jpg?w=1536&#038;h=568&#038;fit=crop&#038;crop=faces%2Cfocalpoint 1536w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia22\/pia22567\/PIA22567.jpg?w=2048&#038;h=757&#038;fit=crop&#038;crop=faces%2Cfocalpoint 2048w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia22\/pia22567\/PIA22567.jpg?w=400&#038;h=148&#038;fit=crop&#038;crop=faces%2Cfocalpoint 400w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia22\/pia22567\/PIA22567.jpg?w=600&#038;h=222&#038;fit=crop&#038;crop=faces%2Cfocalpoint 600w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia22\/pia22567\/PIA22567.jpg?w=900&#038;h=333&#038;fit=crop&#038;crop=faces%2Cfocalpoint 900w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia22\/pia22567\/PIA22567.jpg?w=1200&#038;h=444&#038;fit=crop&#038;crop=faces%2Cfocalpoint 1200w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia22\/pia22567\/PIA22567.jpg?w=2000&#038;h=739&#038;fit=crop&#038;crop=faces%2Cfocalpoint 2000w\" sizes=\"auto, (max-width: 5000px) 100vw, 5000px\" \/><\/figure>\n<\/p>\n<\/div>\n<p>\t\t\t<\/a><br \/>\n\t\t\t\t\t<a href=\"https:\/\/science.nasa.gov\/photojournal\/search\/\" 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>Search Photojournal<\/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=\"1014\" height=\"1014\" src=\"https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia25\/pia25729\/PIA25729.jpg?w=1014&#038;h=1014&#038;%23038;fit=clip&#038;%23038;crop=faces%2Cfocalpoint\" 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:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia25\/pia25729\/PIA25729.jpg?w=1014&#038;h=1014&#038;fit=crop&#038;crop=faces%2Cfocalpoint 1014w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia25\/pia25729\/PIA25729.jpg?w=150&#038;h=150&#038;fit=crop&#038;crop=faces%2Cfocalpoint 150w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia25\/pia25729\/PIA25729.jpg?w=300&#038;h=300&#038;fit=crop&#038;crop=faces%2Cfocalpoint 300w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia25\/pia25729\/PIA25729.jpg?w=768&#038;h=768&#038;fit=crop&#038;crop=faces%2Cfocalpoint 768w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia25\/pia25729\/PIA25729.jpg?w=50&#038;h=50&#038;fit=crop&#038;crop=faces%2Cfocalpoint 50w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia25\/pia25729\/PIA25729.jpg?w=100&#038;h=100&#038;fit=crop&#038;crop=faces%2Cfocalpoint 100w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia25\/pia25729\/PIA25729.jpg?w=200&#038;h=200&#038;fit=crop&#038;crop=faces%2Cfocalpoint 200w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia25\/pia25729\/PIA25729.jpg?w=400&#038;h=400&#038;fit=crop&#038;crop=faces%2Cfocalpoint 400w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia25\/pia25729\/PIA25729.jpg?w=600&#038;h=600&#038;fit=crop&#038;crop=faces%2Cfocalpoint 600w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia25\/pia25729\/PIA25729.jpg?w=900&#038;h=900&#038;fit=crop&#038;crop=faces%2Cfocalpoint 900w\" sizes=\"auto, (max-width: 1014px) 100vw, 1014px\" \/><\/figure>\n<\/p>\n<\/div>\n<p>\t\t\t<\/a><br \/>\n\t\t\t\t\t<a href=\"https:\/\/science.nasa.gov\/photojournal\/latest\/\" 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>Photojournal\u2019s Latest Content<\/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=\"21969\" height=\"14501\" src=\"https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia24\/pia24543\/PIA24543.jpg?w=21969&#038;h=14501&#038;%23038;fit=clip&#038;%23038;crop=faces%2Cfocalpoint\" class=\"attachment-1536x1536 size-1536x1536\" alt=\"\" style=\"transform: scale(1); 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The black overlapping lines show the instrument\u2019s footprints during Perijove 57 on Dec. 30, 2023, when the spacecraft primarily mapped the northern hemisphere. The blue lines represent Perijove 58 on [\u2026]<\/p>\n","protected":false},"author":13,"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":[14298,18834],"tags":[],"class_list":["post-486010","post","type-post","status-publish","format-standard","hentry","category-juno","category-photojournal"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Description This graphic illustrates the areas of Jupiter\u2019s moon Io sampled by the Microwave Radiometer (MWR) instrument aboard NASA\u2019s Juno spacecraft during two close flybys. The black overlapping lines show the instrument\u2019s footprints during Perijove 57 on Dec. 30, 2023, when the spacecraft primarily mapped the northern hemisphere. 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The black overlapping lines show the instrument\u2019s footprints during Perijove 57 on Dec. 30, 2023, when the spacecraft primarily mapped the northern hemisphere. The blue lines represent Perijove 58 on [\u2026]\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/www.vibewire.com.au\/?p=486010\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2026-07-22T15:00:19+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2026-07-22T15:00:19+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:site\" content=\"@VibewireCentral\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Mapping Io\u2019s Hidden Heat With NASA\u2019s Juno - VibeWire Magazine\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Description This graphic illustrates the areas of Jupiter\u2019s moon Io sampled by the Microwave Radiometer (MWR) instrument aboard NASA\u2019s Juno spacecraft during two close flybys. 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