Moontanman Posted December 9, 2008 Report Posted December 9, 2008 Ancient Climate Cycles Recorded In Mars RocksScienceDaily (Dec. 5, 2008) — Researchers at the California Institute of Technology (Caltech) and their colleagues have found evidence of ancient climate change on Mars caused by regular variation in the planet's tilt, or obliquity. On Earth, similar "astronomical forcing" of climate drives ice-age cycles. Ancient Climate Cycles Recorded In Mars Rocks Quote
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