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Betelgeuse and Aldebaran are red stars.
Betelgeuse and Aldebaran are red stars.
No, there are lots of red giant stars, too many to count. Betelgeuse and Aldebaran just happen to be close to us and bright in the sky, so we see them easily.
betelgeuse
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 a red supergiantAldebaran is an orange giant.
Betelgeuse is more luminous than Aldebaran.
There are thousands of stars that you could list. Here are just 10: Sirius. Capella. Betelgeuse. Antares. Altair. Vega. Mirzam. Regulus. Aldebaran. Arcturus.
In terms of size from smallest to largest, its Sirius, Pollux, Aldebaran, Rigel, Betelgeuse, Antares, and KY Cygni.
That depends upon many things, firstly the type of star, Aldebaran is much larger than our own Sun, as is Arcturus, both of which are K type stars, they have lower surface temperatures, but much higher core temperatures due to the extra pressure that gravity exerts upon them. But Betelgeuse would swallow up the Earth if it was in orbit around it.
Betelgeuse is a red supergiant star and the Rigel is a blue supergiant. Both are in the same constellation Orion