Webb telescope captures closest, most detailed glimpse inside a supernova
The James Webb Space Telescope was used to peer inside Cassiopeia A for an unprecedented look deep within the remnant of a star that exploded thousands of years ago.
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The James Webb Space Telescope was used to peer inside Cassiopeia A for an unprecedented look deep within the remnant of a star that exploded thousands of years ago.
Nasa has compared an exploded star to a spectacular Christmas bauble.
About 11.5 billion years ago, a distant star roughly 530 times larger than our sun died in a cataclysmic explosion that blew its outer layers of gas into the surrounding cosmos, a supernova documented by astronomers in blow-by-blow detail. Researchers on Wednesday said NASA's Hubble Space Telescope managed to capture three separate images spanning a period of eight days starting just hours after the detonation - an achievement even more noteworthy considering how long ago and far away it occurred. The images were discovered in a review of Hubble observation archival data from 2010, acco...