Betelgeuse is brighter.
This could be considered a trick question. Generally, Betelgeuse is brighter BUT Betelgeuse is what we call a variable star and there are times when it is fainter than Aldebaran.
Betelgeuse is more luminous than Aldebaran.
betelgeuse
Rigel is brighter than Betelgeuse.
Brightnest is a factor of luminousity and distance as seen from Earth. (Apparent magnitude)Vega - 0.03.Betelgeuse: 0.42So Betelgeuse is brighter as viewed from Earth.
This could be considered a trick question. Generally, Betelgeuse is brighter BUT Betelgeuse is what we call a variable star and there are times when it is fainter than Aldebaran.
Betelgeuse is more luminous than Aldebaran.
betelgeuse
Rigel is brighter than Betelgeuse.
Brightnest is a factor of luminousity and distance as seen from Earth. (Apparent magnitude)Vega - 0.03.Betelgeuse: 0.42So Betelgeuse is brighter as viewed from Earth.
Yes, Betelgeuse is one of the brighter stars in the sky. The red star of Orion's left shoulder is Betelgeuse.
Betelgeuse is a red supergiantAldebaran is an orange giant.
Intrinsically Aldebaran is brighter than Sirius B which is a white dwarf star, no longer generating new heat.
Betelgeuse has an apparent magnitude of 0.42(v) and an absolute magnitude of -6.02. Rigel has an apparent magnitude of 0.12 and an absolute magnitude of -7.04. So Rigel is brighter.
See related questions
Betelgeuse and Aldebaran are red stars.
Betelgeuse and Aldebaran are red stars.