
Giant Star Begins Rare Transformation Before Supernova
Astronomers are watching a colossal star, 1,540 times the size of the sun, change from a red supergiant to a rare yellow hypergiant in real time.
#Astronomy#Stars#Supernova
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Astronomers are watching a colossal star, 1,540 times the size of the sun, change from a red supergiant to a rare yellow hypergiant in real time.

Using the James Webb Space Telescope, astronomers have discovered that the collision of two stars results in a surprisingly cool and massive red supergiant star.

Scientists have confirmed that the red supergiant Betelgeuse has a hidden companion star, solving the long-standing mystery of its periodic dimming.

The James Webb Space Telescope has captured a rare view of a massive star shrouded in dust just before its supernova explosion, solving a long-standing cosmic mystery.