Sulfur dioxide may have helped maintain a warm early Mars

Sulfur dioxide (SO₂) may have played a key role in the climate and geochemistry of early Mars, geoscientists at Harvard University and the Massachusetts Institute of Technology suggest in the Dec. 21 issue of the journal Science. Their hypothesis may resolve longstanding questions about evidence that the climate of the Red Planet was once much warmer than it is today.

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<p><a href="http://www.physorg.com/news117382475.html">Sulfur dioxide may have helped maintain a warm early Mars</a></p> <p>Sulfur dioxide (SO₂) may have played a key role in the climate and geochemistry of early Mars, geoscientists at Harvard University and the Massachusetts Institute of Technology suggest in the Dec. 21 issue of the journal <i>Science</i>. Their hypothesis may resolve longstanding questions about evidence that the climate of the Red Planet was once much warmer than it is today.</p>