27 December 2014 in News: Four billion-year-old meteorite reveals climate of ... - Astronomy Now Online

Astronomy Now Online27 December 2014 in News: Four billion-year-old meteorite reveals climate of ...Astronomy Now OnlineThe surface of Mars was once wet, but no water flows there now. UC San Diego chemists and others took a close look at a meteorite that may have been blasted from the Valles Marineris — a rift across the planet's surface over 3000 km long and up to 8 ...

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