First chemical signature of Pair-Instability Supernova
An unusual star has provided chemical evidence of Pair-Instability Supernova of the universe’s very massive first stars.
Source: cosmosmagazine.com
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An unusual star has provided chemical evidence of Pair-Instability Supernova of the universe’s very massive first stars.
We live in the Milky Way galaxy, an immense, flat, spiral galaxy surrounded by a massive halo of stars and dark matter. The disk of stars, gas, and dust in which the Sun resides is fully 120,000 light years across; a soul-crushing distance on the human scale. In the middle of the disk is the central bulge, a lozenge-shaped hub of stars.
A new gargantua, a black hole known as LB-1, has been discovered lurking at the far side of the Milky Way