Latest News for: photosphere

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Giant Star Seen 150 Days Before it Exploded as a Supernova

Universe Today 01 Feb 2024
Supernovae are relatively rare ... In fact, in 2022, astronomers spotted a supernova over 10 billion light-years away ... massive ones ... Image Credit ... 2024 ... They also found that the radius of the photosphere remained almost constant during the same time ... 2024 ... .
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Betelgeuse. Before, During and After the Great Dimming

Universe Today 31 Jan 2024
The second, weaker shock boosted the effect of the stronger shock that preceded it, generating a progressive plasma flow at the surface of Betelgeuse’s photosphere ... The plasma flowing to the photosphere’s surface created a hot spot.
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