Orionis — Alpha
A red supergiant nearing the end of its life cycle.
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. alpha orionis
Betelgeuse is a , meaning its brightness fluctuates over time. A red supergiant nearing the end of its life cycle
Distinctive orange-red hue, visible even without equipment. Variability and Observation famously known as Betelgeuse
(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

