Exoplanet First for Chandra Telescope

NASA X-ray Telescope Observes Planet Passing in Front of its Star for the First Time, NASA

"For the first time since exoplanets, or planets around stars other than the sun, 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 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."

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This page contains a single entry by Marc Boucher published on July 29, 2013 4:01 PM.

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