By Laura Rocchio On July 23, 1972 the first civilian satellite designed to image Earth’s land surfaces was launched from Vandenberg Air Force Base in California. On board the satellite, originally named the Earth Resources Technology Satellite (ERTS), but later known as Landsat 1, were two sensors. The primary sensor, called the Return Beam Vidicon […]
Author: Guest authors
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My NASA Experience
By Marcia J. Rieke The development of infrared detector arrays is intertwined with my experiences working on NASA projects. As an astronomer at a university, my interactions with NASA all start with a proposal in response to an opportunity. In 1983, near-infrared detector arrays were beginning to attract the attention of astronomers. At the suggestion […]
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The Gestation of the Hubble
By Nancy Grace Roman Looking through the atmosphere is like looking through a piece of old stained glass. The glass has defects that distort the image. The atmosphere also has defects that distort the image, but the defects in the atmosphere move, thus blurring the image as well. The glass is colored, so only some […]
NASA to Provide Coverage of Artemis II Wet Dress Rehearsal
As NASA continues preparations for the Artemis II test flight, the agency will provide coverage Thursday, Feb. 19, of its next wet dress rehearsal, a fueling test of the SLS (Space Launch System) rocket, and hold a news conference on Friday, Feb. 20. Teams are counting down to the opening of a simulated launch window at 8:30 p.m. EST on Feb. […]
Commodity Classic 2026 Hyperwall Schedule
Commodity Classic, February 25 – 27, 2026 Join NASA in the Exhibit Hall (Booth #3481) for Hyperwall Storytelling by NASA experts. Full Hyperwall Agenda below. WEDNESDAY, FEBRUARY 25 4:30 – 4:50 PMNASA: Your Space and Science AgencyKaren St Germain THURSDAY, FEBRUARY 26 11:00 – 11:20 AMInforming Water and Agricultural Management Apps with NASA Modeling and […]