If you could travel back in time 3.5 billion years, what would Mars look like? The picture is evolving among scientists working with NASA’s Curiosity rover.
![](https://scx1.b-cdn.net/csz/news/tmb/2019/1-curiosityrov.jpg)
Source:
https://phys.org/news/2019-10-curiosity-rover-ancient-oasis-mars.html
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If you could travel back in time 3.5 billion years, what would Mars look like? The picture is evolving among scientists working with NASA’s Curiosity rover.
Source:
https://phys.org/news/2019-10-curiosity-rover-ancient-oasis-mars.html