Astrophysik: Fenster zum Kosmos

Astrophysik: Fenster zum Kosmos

The explosion
A star located in the outer regions of M81, probably a red supergiant star, ended its life on March 28 1993.
At the temperature of 100 million Kelvin, its core collapsed under the weight of the heavy elements, like iron, that the star itself had been producing during all its life.
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