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Mar 3, 2023, 5:57 pm184 pts
Ars Technica
Enlarge / The tattered shell of the first recorded supernova (Sn185) was captured by the Dark Energy Camera. This image covers an impressive 45 arcminutes in the sky—a rare view of the entirety of this supernova remnant. (credit: CTIO/NOIRLab/DOE/NSF) In early December 185 CE, Chinese astronomers recorded a…
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