Image: 3C 397: An unusual galactic supernova remnant
Thursday, November 7, 2013 - 05:30
in Astronomy & Space
3C 397 (also known as G41.1-0.3) is a Galactic supernova remnant with an unusual shape.
Updated by artificial intelligence Sat, 3 Jan 2026, 15:40:35 UTC Learn more
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