Betelgeuse is acting strange, and astronomers are buzzing
The Design of the Sky - Orion's Belt - Classical Astronomy
Close-up of Orion's Belt. The stars, from left to right, are Alnitak, Alnilam, and Mintaka. Alnitak and Mintaka are 1,200 light-years away while Alnilam lies some 2,000 light-years away : r/spaceporn