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WASHINGTON —The explosion of a star, called a supernova, is an immensely violent event. It usually involves a star more than eight times the mass of our sun that exhausts its nuclear fuel and undergoes a core collapse, triggering a single powerful explosion.But a rarer kind of supernova involves a different type of star - a stellar ember called a white dwarf - and a double detonation.
It's only about two seconds," said astrophysicist and study co-author Ivo Seitenzahl, a visiting scientist at the Australian National University in Canberra.In the more common type of supernova, a remnant of the massive exploded star is left behind in the form of a dense neutron star or a black hole.The researchers used the Very Large Telescope's Multi-Unit Spectroscopic Explorer, or MUSE, instrument to map the distribution of different chemical elements in the supernova aftermath.
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