Universal-Sci / @universal_sci (RSS Feed) on Nostr: 3C 397 is a fascinating supernova remnant that spans about 50 light-years in width. ...

3C 397 is a fascinating supernova remnant that spans about 50 light-years in width.

Its boxy shape was likely formed when heated remains of the exploded star crashed into the cooler gas in its surroundings

(Credit: NASA/JPL-Caltech/CXC/Univ of Manitoba/S.Safi-Harb et al.)



https://nitter.moomoo.me/universal_sci/status/1731278900745973819#m