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Q: Why is a white star hotter than a yellow star?
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Why is a blue star hotter than a white star?

It's not. White is the hottest. Then blue, yellow orange, red.


Is an orange star hotter then a yellow star?

The temperature of a yellow star's photo sphere is hotter than that of and orange star. However the total energy output of an orange star may be greater than that of a yellow star.


Is a yellow star the hottest?

Well I know this is not what you had in mind but white stars are hotter! If you where to compare, the blue stars would be hottest then the white stars, yellowish white, yellow orange then red. I know many people would have thought diffrently so face it our star (the sun) isn't the hottest.


Is a red giant star hotter than a white dwarf star?

No. Color, for stars, is (almost) entirely dependent on "surface" temperature, and white stars are significantly hotter then red ones. (The order from coolest to hottest goes brown, red, orange, yellow, yellow-white, white, blue-white, blue).


Is Sun hotter than the star VV cephie?

You know, VV cephie is orange, sun is yellow and yellow is brighter than orange and the brighter the star is, the hotter it gets. So sun is hotter than VV cephie.


Is a white-blue star is hotter than a red star?

Yes it is


What is a clue to a stars temperature?

Its colour. White stars are hotter than blue stars which are hotter than yellow which are hotter than orange, which are hotter than red.


Is a star that emits mostley yellow visible light hotter than a red star?

Yes.


Is a blue-white star hotter than the sun?

yes


A white blue star is hotter than a red stra?

The blue star is the hottest.


What color are stars when they are really hot compared to their color when they are not as hot?

The hottest stars are blue or blue-white, the coldest stars are red. In between, from colder to hotter are orange and yellow and maybe green. A white dwarf star is even hotter than a blue-white star, but it is dead and no longer undergoing fusion.


Is a flame red flame hotter than a yellow flame?

No, yellow is hotter. The progression, from least hot to hottest, goes: black-red, dark red, bright red, light red, orange, yellow, blue, white-yellow, white.