Why did they form at that time? Astronomers know from observing distant exploding stars that the size of the universe has ...
The Brighterside of News on MSN
Rare black hole-star merger creates the longest gamma-ray burst ever
When space telescopes blazed with high-energy radiation for hours earlier this year, astronomers suspected that they were ...
The first double-burst supernova ever observed, SNR 0509, is a historic discovery that reveals how white dwarfs explode in ...
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