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Mars’ red color may be related to a habitable past: study
Fox News
Researchers claim in a new study that they know why Mars is red and it may show that the inhospitable planet was once habitable.
"This suggests that Mars may have had an environment capable of sustaining liquid water before it transitioned from a wet to a dry environment billions of years ago," NASA said in a news release this week.
NASA partially funded the study.
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