- Bright red giant in the constellation Orion.
- Has shrunk by more than 15% over the last 15 years (1994 - 2009).
- 20 times as massive as the Sun.
- Shrinkage could be a prelude to a massive supernova explosion.
Stars listed in ascending size:
- Eta Carinae & Nebula
- V509 Cassiopeiae
- Mu Cephei
- Ky Cygni
- V354 Cephei
- Binary Star Cephei
- VY Canis Majoris
Betelgeuse - Orion - Red Giant - Star - Sun - Supernova
Posted by ALCHEssMIST.
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