It appears that Betelgeuse, which is right next to Orion, may be about to go supernova. A new study has found that it has been shrinking in size for the past decade. The bright red star is 15 to 20 times larger than the sun, but has shrunk about 15% since 1993. However, instead of the star’s last gasp, this could also be an artefact of the star’s bumpy surface or the sign of a long-term oscillation.
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