NASA's Curiosity Mars rover found evidence of different climates on the planet occurring several billion years ago as it transitions to a mineral region.
Scientists now have a better idea of what Mars's climate used to be like, including evidence of dry periods and periods when water flowed on the planet.The findings are further evidence of Mars's former environment being vastly different from the current bare landscape of the"red planet," according to a news release from NASA last week.
“We no longer see the lake deposits that we saw for years lower on Mount Sharp,” Vasavada said. “Instead, we see lots of evidence of drier climates, like dry dunes that occasionally had streams running around them. That’s a big change from the lakes that persisted for perhaps millions of years before.”
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