When a star explodes, it leaves behind a debris field of stellar material and high-energy particles known as a supernova remnant. Astronomers use Chandra to...
Supernovas are the remnants of catastrophic explosions, and they are among the favorite targets of scientists who use Chandra, for good reason too. Supernovas and...
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In the biggest rock gig of the decade, Oasis play to more than 250000 people at Knebworth.
la primera noche en el mitico...