Multiple questions.
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Cygnus ob2 no.12, a hyper star is & also the biggest.
Yellow stars are the second hottest, Blue stars are the first hottest. Red stars, even though they are they can be the biggest they are the coldest type of star, they are still hot, but not as hot as compared to other stars.
A yellow star is a "medium" temperature star - a blue star is the hottest.
No
I don’t know
It isn't. The sun is a fairly ordinary star. It only seems big and hot compared to other because it is much closer to us than any other star.
NO, the Sun is not the hottest star. The hottest stars are the blue and white ones. The Sun is a medium sized star. The reason we find it so hot is because it is the nearest star to us
NO, the Sun is not the hottest star. The hottest stars are the blue and white ones. The Sun is a medium sized star. The reason we find it so hot is because it is the nearest star to us
NO, the Sun is not the hottest star. The hottest stars are the blue and white ones. The Sun is a medium sized star. The reason we find it so hot is because it is the nearest star to us
blue stars are the hottest stars.
Rigel is a blue-white star wich indicates that is a very hot star. you might think red stars are the hottest but no, the hottest are blue-white.
If you mean "What is the hottest star". The hottest stars are the blue stars. A star appears blue once its surface temperature gets above 10,000 Kelvin, or so, a star will appear blue to our eyes. So the hottest stars in the Universe are going to be a blue star, and we know they're going to be massive.