February 2015
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News for Norther Colorado and the world

Friday, February 27, 2015

Posts Tagged ‘binary star system’

Astronomy Picture of the Day

Astronomy Picture of the Day

      eta Oph: Runaway Star Credit: NASA, JPL-Caltech, WISE Team Explanation: 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 from the WISE spacecraft. 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 top at 24 kilometers per second. Its strong stellar wind ... Full Story

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