We all know what happens to most stars at the end of their lives. They explode in a violent event known as a supernova when they exhaust their fuel and essentially collapse in on themselves. This leads to some of the most powerful explosions in the universe and marks the end of a star's life. So, when astronomers observed a dying star using NASA's Hubble Space Telescope they figured they'd see the same predictable event play out. What they saw was a supernova, but the star that created it didn't look like the rest.
When a massive yellow star is dying it is (almost) always encased in a layer of hydrogen. The researchers note that this layer often hides the star's incredibly hot insides, which would appear blue to our eyes. When the star goes supernova, the hydrogen and everything else that made up the star is expelled in a fiery blast. However, the star that created the supernova known as 2019yvr doesn't appear to have had any hydrogen in the years leading up to its explosion. This doesn't fit with existing stellar models and has forced scientists to come up with another explanation.
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This super weird star exploded, and Hubble was watching originally appeared on BGR.com on Wed, 5 May 2021 at 23:55:10 EDT. Please see our terms for use of feeds.
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