#martiangeology — Public Fediverse posts
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📸 Dark Sand Cascades on Mars
Dark streaks on pinkish dunes near Mars' North Pole resemble trees, but they're actually sand slides exposed as CO₂ frost melts in spring. Captured by the HiRISE camera on NASA’s MRO.
📅 June 29, 2025
📷 NASA, HiRISE, MRO, LPL (U. Arizona)
🔗 https://stellarsnap.space
#APOD #Mars #HiRISE #MRO #NASA #MartianGeology #SandDunes #PlanetaryScience #RedPlanet #SpaceScience #StellarSnap