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Explanation: Did a pond once exist in this Martian crater? Recent photographs by the spacecraft Mars Global Surveyor, currently in orbit around Mars, show features unusual for Mars yet similar to a dried pond on Earth. Previously, much evidence suggested the effects of ancient channels of flowing water on Mars, but less evidence had been found for dried pools of water. Islands and bays on this crater floor indicate an accumulation of some liquid, however, a hypothesis consistent with channels found on the (inset) crater walls. As it is also possible the features were formed by other mechanisms including flowing lava, future observations and analysis will be needed to say for sure.
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NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.
Based on Astronomy Picture
Of the Day
Publications with keywords: Mars - water - crater
Publications with words: Mars - water - crater
See also:
- APOD: 2025 April 13 Á An Unusual Hole in Mars
- APOD: 2025 March 23 Á Ancient Ogunquit Beach on Mars
- SuperCam Target on Maaz
- Full Moon, Full Mars
- APOD: 2025 January 15 Á Wolf Moon Engulfs Mars
- APOD: 2025 January 12 Á Mimas: Small Moon with a Big Crater
- APOD: 2024 December 3 Á Ice Clouds over a Red Planet