(α Orionis), famously known as Betelgeuse , is a massive red supergiant marking the western shoulder of the constellation Orion . It is one of the largest and most luminous stars visible to the naked eye. Physical Characteristics
Betelgeuse is a , meaning its brightness fluctuates over time. alpha orionis
A red supergiant nearing the end of its life cycle. (α Orionis), famously known as Betelgeuse , is
Despite being only about 8 to 10 million years old —much younger than our 4.6-billion-year-old Sun—its massive size caused it to evolve rapidly. famously known as Betelgeuse
