NASA Universe
@NASAUniverse
Your backstage pass to the universe and how NASA studies it. Exoplanets, black holes, dark energy, and more!
加入 March 2009
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Zippy particles called cosmic rays travel at nearly light speed across the cosmos, and astronomers have been searching for sites where these particles get their energy. Thanks to our NuSTAR telescope, we’ve found another candidate: pulsar wind nebulae.
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