Cygnus ob2 no.12, a hyper star is & also the biggest.
The blue star is the hottest star.
Ironically the blue stars are the hottest considering blue is usually a "cool" color.
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.
A yellow star is a "medium" temperature star - a blue star is the hottest.
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.
White, and then blue.
The blue star is the hottest.
The hottest star is called O-type blue stars. They have surface temperatures of around 30,000-60,000 degrees Celsius.
The hottest star is of blue color. The more the heat , the more is the excitement of electrons in star. This electrons vibrate with high frequency and emits light. Since the frequency is high, it appears as of blue color
The temperature of a blue giant star is between 12,500and 37,000 degrees Fahrenheit
the SUN