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Mars in True Color (almost)
3 min read

This spectacular view, taken by NASA's 2001 Mars Odyssey, shows the sunlit cliffs and basaltic sand dunes in southern Melas…

Nov 14, 2003
Article
Mesas and Troughs
1 min read

NASA's Mars Global Surveyor shows a grouping of mesas created by pitting and erosion of a layered material north of…

Oct 4, 2003
Article
Pits and Layers
1 min read

This image from NASA's Mars Global Surveyor shows image shows some of the scarps, mesas, and circular depressions of the…

Sep 29, 2003
Article
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AAS Meeting 247 (Jan 2026)

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ROSES-25: F.10 PRISM Correction and FAQ Posted

ROSES-25: F.10 PRISM Correction and FAQ Posted

AI/ML STIG Lecture Series December 8, 2025

AI/ML STIG Lecture Series December 8, 2025

Amendment 27: B.4 Space Weather Research-to-Operations-to-Research Step-2 Due Date delayed to April 10, 2026

A striking photograph taken from the International Space Station in October 2024 showing spacecraft components silhouetted against a rare, intense red aurora with a band of green light below. The image captures parts of docked spacecraft or station modules in dark silhouette against the vibrant cosmic display, with a bright light visible in the upper right. The photograph dramatically illustrates astronaut Don Pettit's description of "flying in the aurora" rather than above it, as the station was immersed within this uncommon red auroral phenomenon at approximately 200+ miles altitude. The red glow, caused by oxygen atoms excited by an X1.8 solar flare that occurred on October 9, creates an otherworldly environment that, as Pettit described, made the ISS appear 'inserted into a neon sign.' This image documents the extraordinary geomagnetic storm that produced aurora visible from unusually low latitudes on Earth.