What Mars Might Have Looked Like 4 Billion Years ago

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NASA Goddard’s CGI vision of how the now Red Planet might have looked if – as many scientists believe – it once had water and thus, the potential for life.

Like Mars. With water on it.

The artist’s concept is based on evidence that Mars was once very different. Rapidly moving clouds suggest the passage of time, and the shift from a warm and wet to a cold and dry climate is shown as the animation progresses. The lakes dry up, while the atmosphere gradually transitions from Earthlike blue skies to the dusty pink and tan hues seen on Mars today.

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