Alpha Orionis Today
Distinctive orange-red hue, visible even without equipment. Variability and Observation
(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
Betelgeuse is a , meaning its brightness fluctuates over time. Distinctive orange-red hue, visible even without equipment
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). Distinctive orange-red hue
If placed at the center of our solar system, it would engulf the orbits of Mercury, Venus, Earth, and Mars, likely extending past Jupiter's orbit .
