Author: Wall Street Journal
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Astronomers have for the first time discovered a vast cloud of high-energy particles called a wind nebula around a rare ultra-magnetic neutron star, or magnetar. WSJ's Monika Auger reports. Photo: NASA's Goddard Space Flight Center Subscribe to the WSJ channel here: http://bit.ly/14Q81Xy More from the Wall Street Journal: Visit WSJ.com: http://www.wsj.com Follow WSJ on Facebook: http://www.facebook.com/wsjvideo Follow WSJ on Google+: https://plus.google.com/+wsj/posts Follow WSJ on Twitter: https://twitter.com/WSJvideo Follow WSJ on Instagram: http://instagram.com/wsj Follow WSJ on Pinterest: http://www.pinterest.com/wsj/