Rolling Stones More Evidence For Ancient Mars Water Flows

HOUSTON – Studies of small rounded pebbles imaged by NASA’s Curiosity rover in an alluvial fan-like setting in Mars’ Gale Crater suggest the rocks were transported by flowing water for tens of kilometers and likely originated on the more than 3 billion-year-old impact crater’s northern rim. The six...
Mark Carreau

Mark is based in Houston, where he has written on aerospace for more than 25 years. While at the Houston Chronicle, he was recognized by the Rotary National Award for Space Achievement Foundation in 2006 for his professional contributions to the public understanding of America's space program through news reporting.

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