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Distant Supernova 1997cj


Depicts: SN 1997cj
Copyright: Peter Garnavich, Harvard-Smithsonian Center for Astrophysics, the High-z Supernova Search Team, and NASA

These supernovae belong to a class called Type Ia, which are considered reliable distance indicators. Looking at great distances also means looking back in time because of the finite velocity of light.
Last Update: 1 September 2019
16-Mar-2026 23:42 UT

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