Its colour. White stars are hotter than blue stars which are hotter than yellow which are hotter than orange, which are hotter than red.
White hot is the hottest temperature that a material can reach before it starts to emit visible light. Temperature-wise, blue flame or blue-white flame is hotter than white hot.
A white dwarf is what remains of a star's interior, which is much hotter than the surface because it is closer to the source of fusion.
yes
yes
Depends on what the person likes more. In my opinion Russians are hotter because of their accents.
Black asphalt becomes hotter than a white cement sidewalk by one thing. The reason it gets hotter is because black attracts heat.
Yes it is
It's not. White is the hottest. Then blue, yellow orange, red.
White Dwarves and Blue giants are both hotter than Red giant stars.
The blue star is the hottest.
yes