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Barchan Dunes
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NASA's Mars Global Surveyor shows

Apr 30, 2004
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MIO Multisource Integrated Observatory

View west into sun glint off the Rio Salado, Saladillo, and Parana Rivers in Argentina. The Space Shuttle nadir is about 28 degrees north latitude and 57 degrees west longitude. The Andes Mountains are barely visible on Earth's limb. Thunderstorms along the eastern edge of the Andes are typical of this time of year (Southern Hemisphere summer), with anvils moving to the east from the core of the storm.

IR STIG Seminar Series, 6 April 2026

A black, deep space image is dominated by what appears to be a large snowflake-like feature with a bright white core and 8 pinkish orange spikes. It is surrounded by additional wisps of pinkish orange and blue gas.

Tidal Tales

Tidal Tales logo. A cartoon depicts two galaxies with opposite rotations merging together against a backdrop of black space. Each galaxy has a "tidal tail" or extended arm of material sweeping away from its nucleus. These two tails are crossing below the nuclei of the galaxies such that the whole configuration resembles a Valentine heart.

Astrophysics Division Meeting, 10 March 2026

Westerlund 2