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Astronomy pictures of the week (2012.12.23-12.30) (9)

People's Daily Online)  11:20, January 02, 2013

Zeta Oph: Runaway Star. Like a ship plowing through cosmic seas, runaway star Zeta Ophiuchi produces the arcing interstellar bow wave or bow shock seen in this stunning infrared portrait. In the false-color view, bluish Zeta Oph, a star about 20 times more massive than the Sun, lies near the center of the frame, moving toward the left at 24 kilometers per second. (Photo/ NASA)


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(Editor:马茜、梁军)

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