Category Archives: geology

LCROSS: the aftermath

Posted on October 10, 2009 by Chris Rowan

At least one camera was looking at the impact site in the right wavelength…
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Categories: geology, planets

LCROSS impacts today!

Posted on October 9, 2009 by Chris Rowan

Scientists get to play interplanetary bumper cars to search for lunar water.
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Categories: geology, planets

Two large earthquakes, two unusual focal mechanisms

Posted on October 2, 2009 by Chris Rowan

A quick look at the causes of this weeks’ big earthquakes in Samoa and Indonesia
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Categories: earthquakes, geohazards, geology

Lots of oxygen on the Archean Earth?

Posted on September 2, 2009 by Chris Rowan

New evidence for the early evolution of photosynthesis: was the early Earth really as oxygen-free as we think it was?
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Categories: Archean, geochemistry, geology, paper reviews, past worlds, rocks & minerals

The puddle that was once a sea

Posted on August 27, 2009 by Chris Rowan

This image, just released from NASA’s Earth Observatory, is both scary and beautiful This is – or was – the Aral Sea*. 50 years ago, it was a substantial body of water. Then, the rivers that fed it were diverted … Continue reading →

Categories: environment, geology, photos