WASHINGTON — The most recent supernova in our galaxy has been discovered by tracking the rapid expansion of its remains. This result, using NASA’s Chandra X-ray Observatory and the National Radio ...
A violent stellar explosion has just given astronomers their clearest look yet at how some of the raw ingredients for biology are forged in space. By dissecting the debris of a recent supernova and ...
A massive star 2.5 million light-years away simply vanished — and astronomers now know why. Instead of exploding in a supernova, it quietly collapsed into a black hole, shedding its outer layers in a ...
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