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Cygnus OB2-12 is a very bright blue hypergiant with a temperature of about 18,500K

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Which supergiant star is the hottest?

Blue supergiant stars are typically the hottest among supergiant stars. They have surface temperatures ranging from about 20,000 to 50,000 degrees Celsius.


What is the hottest supergiant?

The hottest supergiant star is known as R136a1, located in the Large Magellanic Cloud. It has a surface temperature of around 50,000 degrees Celsius, making it one of the hottest known stars in the universe.


Does a red supergiant have the hottest core?

No, a red supergiant does not have the hottest core. Instead, blue supergiant stars have the hottest cores, with temperatures reaching up to tens of thousands of degrees Kelvin. Red supergiants have cooler cores in comparison.


Is the star Antares a supergiant?

Yes, it is a red supergiant star.


Is a betelgeuse star a super giant star?

Yes, Betelgeuse is a supergiant star. It is a red supergiant star located in the constellation of Orion and is one of the largest stars known in our galaxy.


What is the temperature of Sagittarius's hottest star?

The hottest star in the constellation Sagittarius is generally considered to be the massive blue supergiant known as Eta Sagittarii. Its surface temperature is estimated to be around 30,000 to 40,000 Kelvin, making it one of the hottest stars visible from Earth. This extreme temperature contributes to its brightness and significant ultraviolet radiation.


What is the fourth stage of a star?

the fourth stage of a star is "supergiant" and its also the hottest stage


How can you find a supergiant star?

The easiest supergiant star to see is Betelgeuse, the bright red star at the shoulder of Orion the Hunter.


What type of star is alpha aquarii?

It is a [[wiki/G-type star|G-type]] [[wiki/Supergiant|supergiant]] ([[wiki/Yellow supergiant|yellow supergiant]]) [[wiki/Star|star]] in the [[wiki/Constellation|constellation]] aquarius.


A massive star expands into a?

Supergiant star.


What is the color of the star Enif from the constellation Pegasus?

Enif is a red supergiant star, so its color is red.


Why does a red super giant have the hottest core?

A red supergiant has the hottest core because it has exhausted its nuclear fuel in the core, causing the core to contract and heat up due to gravitational compression. This increased temperature is what leads the outer layers of the star to expand and cool, giving the star its red color.