October 24, 2021

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Strange crater suggests ancient Mars may have been frigid with occasional snowmelt

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A colored topographical map of the southern highlands Martian basins from the Brown University study. The raised ridges are colored dark yellow and the low-lying areas where water pooled are colored in white. (Image credit: Brown University/NASA)

One strange Mars crater could offer a new possibility about what ancient Mars was like.

Mars’ ancient history interests scientists because if the arid planet was once warm and wet, it may have been habitable to life. One new study about an unnamed Martian crater suggests a new possibility about Mars’ past.

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