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W63
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- 1Supernova remnant W63 a vast expanding shell in Cygnus▼Located within the Cygnus constellation, the supernova remnant W63 represents a vast shell of expanding debris from a st
Astronomy observers are highlighting W63, a supernova remnant in the Cygnus constellation. The vast shell of expanding debris comes from a stellar explosion roughly 15,000 years ago and spans more than 150 light-years. The nebular structure is mostly visible through narrow-band imaging, which captures light from specific elements in the glowing gas.