A red supergiant nearing the end of its life cycle.
(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 alpha orionis
It is roughly 100,000 times brighter than the Sun but significantly cooler, with a surface temperature of approximately 3,600 Kelvin (6,020°F). 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. famously known as Betelgeuse
Distinctive orange-red hue, visible even without equipment. Variability and Observation
Betelgeuse is a , meaning its brightness fluctuates over time.