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There's No Planet X There's no evidence for the existence of Planet X, despite a NASA space tel...
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Every Red Dwarf Hosts at Least One Ex  Artist's impression of a small rocky world orbiting a flaring red dwarf sta...
R-Rated: Space Telescopes Witness Cos  NASA/ESA Hubble Space Telescope observation with data from the Chandra X-ra...
The Secret to Great Astronomical Phot  Astrophoto by Kennan Ward of the Milky Way over California. We are constan...
Asteroid Hunter Discovers Comet 'Weirdo' Comet NEOWISE was first observed by NASA's Near-Earth Object Wide-field Inf...

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