Sentences with phrase «after exploding as a supernova»
After exploding as a supernova, the star would have faded from view within a year or so — and eventually from living memory, until, 25 years ago, a radio telescope near Canberra, Australia, found its curious remains.
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After a star explodes as a supernova, it usually leaves behind either a black hole or what's called a neutron star — the collapsed, high - density core of the former star.
Shortly after their birth, they exploded as supernovas, ejecting newly formed carbon, oxygen, and nitrogen atoms into space.
These are black holes that are a few to a few dozen times the mass of our sun that were likely formed by the death of very massive stars after they'd run out of fuel and exploded as supernovas billions of years ago.