Supervolcanoes Blasted Ancient Mars
Posted 02 October 2013 - 12:42 PM
by Ken Croswell
Gigantic volcanic eruptions, far greater than the worst in human history, wracked Mars during its first billion years, say planetary scientists. These "supervolcanoes" spewed enormous quantities of carbon dioxide, water vapor, and sulfur dioxide into the atmosphere, affecting the climate—for good or for ill—at a time when life may have been struggling to arise.
Full story at ScienceNOW.
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