NASA Confirms Closest Super-Earth Ever

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Just 21 light years away from Earth scientists have discovered a world dubbed HD 219134b they say is the nearest rocky planet outside our solar system and a potential gold mine for astronomers. WSJ's Monika Auger reports. Photo: NASA/JPL-Caltech Don’t miss a WSJ video, subscribe here: http://bit.ly/14Q81Xy More from the Wall Street Journal: Visit WSJ.com: http://www.wsj.com Visit the WSJ Video Center: https://wsj.com/video On Facebook: https://www.facebook.com/pg/wsj/videos/ On Twitter: https://twitter.com/WSJ On Snapchat: https://on.wsj.com/2ratjSM

Published 2015-08-03 · Watch on YouTube ↗
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