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Jan 14, 2022 · By Emily Conover. January 14, 2022 at 7:00 am. A star’s death usually comes without warning. But an early sign of one star’s imminent demise hints at what happens before some stellar ...
Dr. Pamela Gay: And when fusion no longer generates power, when it no longer generates energy to support the outside of the star, the star collapses, you get a supernova if it’s really big. Or, if it’s a smaller star that simply hits the point of, “I’ve fused my core up to carbon, and I don’t have enough gravity to go any higher up the periodic table.”
Oct 21, 2021 · The findings also indicate that the star had a complicated history of mass loss a few years before core collapse. In the years before stars explode, they tend to become more active. Some astronomers point to the red supergiant Betelgeuse, which has recently been belching significant amounts of material, and they wonder if this star will soon go supernova.
Apr 21, 2021 · The material that hasn't been baked by neutrinos is still doing its best to collapse. The result is some dramatic convection in the outer layers of the star, as collapsing and exploding materials ...
May 3, 2021 · But a new discovery made with NASA’s Chandra X-ray Telescope is shedding light on the situation. Here’s what astronomers believe happens when a massive star explodes: First, the star’s core ...
Sep 4, 2021 · An artist view of how a star can collapse directly into a black hole. Credit: NASA, ESA, and P. Jeffries (STScI) Posted on September 4, 2021 September 4, 2021 by ... on the elements cast off in ...
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Sep 6, 2021 · So, the core collapses, creating a shock wave that rips the star apart. In models of large dying stars, core-collapse supernovae occur for stars above nine to 10 solar masses , up to about 40 to ...
