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Eclipsing Alien Planet Observed by X-Ray Observatory for 1st Time
Tuesday, July 30, 2013 10:41
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For the first time since exoplanets were discovered almost 20 years ago, X-ray observations have detected an exoplanet passing in front of its parent star.
An advantageous alignment of a planet and its parent star shown above in the system HD 189733, which is 63 light-years from Earth, enabled NASA’s Chandra X-ray Observatory and the European Space Agency’s XMM Newton Observatory to observe a dip in X-ray intensity as the planet transited the star.
Image: NASA’s Chandra X-ray Observatory and the European Space Agency’s XMM Newton Observatory
The Daily Galaxy via http://chandra.harvard.edu/
The Daily Galaxy
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