Jonathan Bradshaw

Feb. 15, 2013

Tracking a Space Rock's Streak Past Earth

Asteroid 2012 DA14 spans half a football field, and will whiz by the Earth a mere 17,000 miles above us--closer than many satellites.

asteroid, space, deep impact, armageddon, flyby, near-earth object, meteor

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Comet's Tail Shines Light on Sun

\tIn 2011, comet Lovejoy traveled through the sun’s corona and lived to tell the tale. But its tail was the most telling. Reporting in the journal Science, Cooper Downs, an astrophysicist at Predictive Science Inc. in San Diego, Calif., says that the wiggly path of the comet’s tail helps explain the sun’s magnetic field. \t 

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