Dead Stars Ignite A Brilliant Cosmic Fireworks Show For NASA
Astronomers, with the aid of NASA’s Chandra X-ray Observatory, have revealed two striking supernova stories: one hints at a fresh remnant near the Milky Way’s center, while the other shows long-studied wreckage in a nearby galaxy changing in ways no one expected. Together, the findings show that supernova remains are more dynamic, and more revealing, than scientists had assumed.
At the heart of the Milky Way, researchers think they may have found a supernova remnant buried in the crowded region around the supermassive black hole, Sagittarius A*. The candidate lies about 26,000 light-years from Earth and shows up as a compact blob of X-ray emission, likely hidden inside a larger cloud of expanding gas. If confirmed, it would be one of the closest supernova remnants ever found to the galaxy’s central black hole, a region typically packed with fast-moving gas, dense clouds, and tangled magnetic fields.
The object...
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