Wednesday, August 17, 2011

Comet Elenin snapped

A NASA spacecraft  aimed at the sun shifted its unblinking gaze to an approaching comet last week to snap a new photo of the icy object as it flew by.

The image shows the comet Elenin as it passed within 4.3 million miles (7 million kilometers) of one of NASA's twin Stereo sun-watching spacecraft during a series of deep space photo sessions that began on Aug. 1. NASA rolled the Stereo-B satellite to give its instruments a view of the comet flyby, officials said.

From Stereo's observations, the fuzzy comet Elenin can be seen streaking across a small portion of the sky. The comet was seen by Stereo's HI-2 telescope between Aug. 1 to 5, and by the higher resolution HI-1 telescope between Aug. 6 to 12, NASA officials said. Stereo mission scientists planned to take photos for one-hour every day through Aug. 12. [See the Stereo probe's new comet Elenin photo]

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