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Credit & Copyright: J. Bell
(Cornell University),
J. Maki (JPL),
M. Wolff (Space Sciences Institute),
NASA
Explanation:
Was Mars wetter and more Earth-like in its distant past?
This false-color composite image of Mars is part of the mounting
evidence that
liquid water once did play a significant role in
Martian surface geology.
Constructed from infrared imaging data
obtained by the Hubble Space Telescope
in July 1997, the north polar cap
is near the top of the picture and the large reddish region
indicates potential water-bearing mineral deposits.
Mars Pathfinder landed at the southern edge of this area, known
as the Mare Acidalium, also finding evidence of water-worn
conglomerate rocks.
Large scale surface
features in this region appear to have been sculpted
by massive flooding in the early history
of Mars.
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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 - infrared
Publications with words: Mars - water - infrared
See also:
- APOD: 2025 July 15 B Collapse in Hebes Chasma on Mars
- APOD: 2025 July 6 B The Spiral North Pole of Mars
- APOD: 2025 June 29 B Dark Sand Cascades on Mars
- APOD: 2025 June 22 B A Berry Bowl of Martian Spherules
- APOD: 2025 June 15 B Two Worlds One Sun
- Perseverance Selfie with Ingenuity
- Deimos Before Sunrise