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Old Martian Valley
1 min read

NASA's Mars Global Surveyor shows

Jan 4, 2004
Article
Iberus Vallis Troughs
1 min read

NASA's Mars Global Surveyor shows

Nov 24, 2003
Article
Valley near Olympus
1 min read

NASA's Mars Global Surveyor shows

Nov 10, 2003
Article
Valley Floor
1 min read

NASA's Mars Global Surveyor shows

Oct 31, 2003
Article
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The Intersection of Fire and Rain

GR SIG Seminar, 17 April 2026

Watch a cosmic gamma-ray fireworks show in this animation using just a year of data from the Large Area Telescope (LAT) aboard NASA’s Fermi Gamma-ray Space Telescope. Each object’s magenta circle grows as it brightens and shrinks as it dims. The yellow circle represents the Sun following its apparent annual path across the sky. The animation shows a subset of the LAT gamma-ray records now available for more than 1,500 objects in a new, continually updated repository. Over 90% of these sources are a type of galaxy called a blazar, powered by the activity of a supermassive black hole.Credit: NASA’s Marshall Space Flight Center/Daniel Kocevski

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CMB SAG Meeting, 24 April 2026

Scattered galaxies with a blue haze