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Dramatic change spotted on a faraway planet

An international team of astronomers using data from the NASA’s Hubble Space Telescope has made an unparalleled observation, detecting significant changes in the atmosphere of a planet located beyond the solar system. The scientists conclude that the atmospheric variations occurred in response to a powerful eruption on the planet’s host star.

This artist’s rendering illustrates the evaporation of exoplanet HD 189733b’s atmosphere in response to the powerful eruption from its host star on Sept. 7, 2011. Hubble detected the escaping gases, and Swift caught the stellar flare. Watch the video: »

Posted on Monday, July 2nd, 2012 at 11:14 AM