The red colour means that it's surface temperature is cool < 3,700K. At that temperature, the spectrum of light is red.
betelgeuse
No. Betelgeuse is a single star.
No. Betelgeuse is in Orion.
No, Betelgeuse is a red giant star.
Rigel is hotter by a long way with a temperature of 11,000 Kelvin, whereas Betelgeuse is a cool 3,500 Kelvin
The red colour means that it's surface temperature is cool < 3,700K. At that temperature, the spectrum of light is red.
betelgeuse
No. Betelgeuse does not affect us.
No. Betelgeuse is a single star.
No, Betelgeuse is a red star.
Betelgeuse is a supergiant star.
No, the name Betelgeuse comes from Arabic.
No, Betelgeuse is a red giant star.
No. Betelgeuse is in Orion.
Betelgeuse is brighter.
Yes, there is a star named Betelgeuse. Betelgeuse is a red star located on the constellation of Orion.