The same as all stars, hydrogen.
It contains mostly hydrogen and helium.
I am not really that sure ,but i think that it is hydrogen and heluim considering that its a red giant
betelgeuse
No. Betelgeuse does not affect us.
No, Betelgeuse is a red star.
No. Betelgeuse is a single star.
No, the name Betelgeuse comes from Arabic.
Betelgeuse is a supergiant star.
No, Betelgeuse is a red giant star.
No. Betelgeuse is in Orion.
Betelgeuse is brighter.