Alpha Orionis [ Plus ✯ ]

Usually the 10th brightest star in the night sky, its magnitude typically ranges from +0.0 to +1.3 .

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. alpha orionis

Betelgeuse is a , meaning its brightness fluctuates over time. Usually the 10th brightest star in the night

(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 famously known as Betelgeuse

In late 2019 and early 2020, it experienced a historic drop in brightness, eventually attributed to a massive surface mass ejection that cooled into an obscuring dust cloud.