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GeoExplorer |
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Views: (745)
Date: (24-11-09) Time: (00:56:45) |
Description:
The ocean absorbs almost half of the carbon dioxide emitted by human activities, changing its chemistry in ways that may have significant effects on marine ecosystems. Join Scripps marine chemist Andrew Dickson as he explains what we know --- and what we don't --- about this emerging problem.
(UCTV #15754)
First Aired: 3/30/2009
Abstract: Several lines of evidence have recently reinforced the hypothesis that an ocean existed on early Mars. Carbonates are accordingly expected to have formed from oceanic sedimentation of carbon dioxide from the ancient martian atmosphere. But spectral i...
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Abstract: This visualization shows a mtach render of mars without oceans to accompany the rendering of Mars with oceans (animation id 2291).Please give credit for this visualization to NASAGoddard Space Flight Center,Scientific Visualization Studio.
Abstract: This visualization shows a mtach render of mars without oceans to accompany the rendering of Mars with oceans (animation id 2291).Please give credit for this visualization to NASAGoddard Space Flight Center,Scientific Visualization Studio.
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