A blue giant has a spectral type of O or B.
It will therefore have a temperature greater than 10,000 K
The blue giant is blue because of the temperature of the gases surrounding the star. These stars are extremely hot.
A blue-white super-giant.
An average blue giant is about 5-10 times the size of the Sun and are much hotter than the Sun is. If our Sun were a blue giant, life, as we know it would never have happened. The Earth would have been vastly too hot to support abiogenesis.
he is a unreal legend of a giant and giant blue cow. He was a giant lumberjack in American folklore. He did have a giant blue ox named Babe.
Hot.
Hot.
Blue Giant Equipment Corporation was created in 1963.
Blue/Dark Blue and Red
a whale
The temperature of a blue giant star is between 12,500and 37,000 degrees Fahrenheit
Giant Magnolias on a Blue Velvet Cloth was created in 1890.
I'm going to have to go with red because in the question, it says "What color is a red giant?"Well its not always red, it might also be white or blue indicating that its bright and hot. But it is also red.