dried-up river
Nasa satellite spots ancient river on Mars
An orbiting Nasa satellite has spotted an ancient, dried-up river on Mars - with the sort of branching tributaries we see in rivers on Earth.
January 15, 2016
Nasa satellite spots ancient river on Mars
An orbiting Nasa satellite has spotted an ancient, dried-up river on Mars - with the sort of branching tributaries we see in rivers on Earth.
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