'Once-in-a-lifetime event': Nova explosion to look like new star, NASA says
What researchers are calling a "Once-in-a-lifetime event," is a nova, or explosion, between two suns 3,000 lightyears away.
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Hubble Telescope captures gorgeous new view of Milky Way's star-packed galactic neighbor (photo)
Using Hubble's Wide Field Camera 3 instrument, astronomers captured this recent up-close view of the SMC, full of twinkling stars. The image features a small region of the SMC near the center of NGC ...
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This newly found super-Earth might have blown off its own atmosphere
The faraway exoplanet could help provide answers as to why there are hardly any planets with twice the diameter of Earth.