Alpha Orionis May 2026

Distinctive orange-red hue, visible even without equipment. Variability and Observation

Betelgeuse is a , meaning its brightness fluctuates over time. alpha orionis

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. Distinctive orange-red hue, visible even without equipment

A red supergiant nearing the end of its life cycle. Distinctive orange-red hue