Don't you just hate it when you're just minding your own business, and a star suddenly decides to go supernova? Well, good news: Scientists have figured out what these stars look like right before they die.
However, before the big show kicks off, the star loses a lot of mass. WeBy looking at the light and dust that results from the death of a red supergiant after the fact, scientists have ascertained that the red supergiants shed a lot of gas and dust in the lead-up to the supernova, but the timescale on which this happens is unclear.
Led by astrophysicist Benjamin Davies of Liverpool John Moores University in the UK, a team of researchers used observational evidence and simulations to reconstruct how a dying red supergiant evolves.
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