Earth & Space

Neil Armstrong Begs to Differ

The distance Neil Armstrong and Buzz Aldrin traveled on the moon belies the immensity of their feat, as NPR correspondent Robert Krulwich discovered last week when blogging about scale in the news. In truth, the scale of their accomplishment is so off the charts, it can only fuel our fantasiesnot to mention those of Michael Bay.

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The Dragon has landed

With the successful recovery of the SpaceX Dragon capsule, private space exploration takes a great leap forward. But it's also a reminder of the history of private business in manned spaceflight, both real and imagined.

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Cassini visits Saturn’s oxygenated moon

he Cassini spacecraft has detected atmospheric oxygen on Rhea, a rocky, icy moon orbiting Saturn. 950 miles in diameter (less than half that of our moon), the tiny world is covered with water ice, which likely produces free oxygen as it is bombarded with charged particles from the magnetosphere of its parent planet, Saturn.

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