They are extremely hot and bright, with surface temperatures of between 20,000 - 50,000°C.
wOW.!!1!!
Look at the size of that star!!! compared to our sun!! and compared to earth!! wow!!
talk about how big the universe is...
oh and if you think that is big.....this is a Red Supergiant...also known as Aldebaran, compare that to our sun....it is quite bigger than the blue supergiant...so yea. basicaly the earth is smaller than the dot at the end of this sentence.
I just wanted to share