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What is the hottest star in your universe?
The hottest stars are those that appear bluish, such as Sirius. Cygnus OB2-12 is a very bright blue hypergiant that lies between 5,000-6,000 light-years from Earth. It is …with an absolute magnitude of -12.2. It is more than 6 million times brighter than the Sun, and among the most luminous stars known in the Galaxy. The hottest star visible to the naked eye is Theta Orionis C, one of the stars illuminating the Orion nebula. It has a surface temperature of about 45,000 K. Even hotter is a star going by the rather unmemorable name of HD 93129A; which is about 7,500 light-years away. Its surface temperature is around 50,000 K. However, it's quite distant and thus can't be seen without a telescope. Over a short period of time, the Neutron Star burns at a temperature of over 1 billion degrees kelvin. However, the huge number of neutrinos it emits carries away so much energy that the temperature falls within a few years to around 1 million kelvins. For comparison, the Sun's surface temperature is about 6000 K.
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blue stars are the hottes star out here and then white and so on
there is a variety, but they are all on earth
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 s…tar to us .
Not even close. The Sun is a little (very little) bigger than average, but the "average" includes some puny stars indeed. There are stars that are up to 150 times more massive… than the Sun, and hundreds of times larger in diameter, and thousands of degrees hotter. Some astronomers have observed - correctly - that the sun is about as "average" as a star gets.
No it is not, rather there billions of stars hotter than it e.g. Rigel, Eta Carinae, R136a1, etc,.The color of the star tells wether the star is hot or not. The sun is yellow …and is not that hot. The hottest stars are blue and white. The coolest stars are red
The blue ones (which are actually hotter than the white). See: http://www.astronomynotes.com/starprop/s12.htm for a list of colors and temperature. ---- The hottest star …in the universe is the Neutron Star burning on creation at a temperature of over 1 billion degrees kelvin . However, the huge number of neutrinos it emits carries away so much energy that the temperature falls within a few years to around 1 million kelvins. It would appear white to the eye. The next hottest are O type stars (aka Blue Giants ) which have a temperature of greater than 30,000 kelvin and will have a colour of, as the name suggests, blue!
Greyson chance and Taylor lautner everybody knows that!
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Blue Stars are rated the hottest from a range of 7,500 degrees kelvin to over 25,000 degrees kelvin. Our own modest sun only puts out 5-6000 degrees Kelvin.
The hottest Stars are the blue hyper giants, stars with masses greater than 100 times our own suns mass. The light they emit is at the blue end of the spectrum. R136a1 is a go…od candidate for the hottest known star, estimated to have a surface temperature of around 50,000 degrees Kelvin.
The hottest star has possibly exploded and formed a black hole.
if you mean surface temperature then the second hottest is "B" with surface temp of 10,000- 30,000 K