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Red dwarf stars are massive enough to undergo nuclear fusion, so they would burn a long time before they run out of fuel. Brown dwarves are not massive enough for nuclear fusion, so almost all of its light come from the time when the brown dwarf was formed. Over a long period of time, a brown dwarf would cool down into a gas giant similar to Jupiter.
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What is the least luminous spectral class?
Spectral class Y, which is typical of "brown dwarf" stars.
Which color represents the lowest surface temperature for a star?
Red stars are the coolest of the stars.However, for completeness:A brown dwarf is cooler.A white dwarf can be the hottest and one of the coolest (Depending on age)A black dwarf is the coldest.
Are dwarf stars black holes?
no, dwarf stars don't have enough mass
What is a falled star?
Assuming that the question refers not to a falled (??) star but to a failed star, the answer is that it is a star that does not have enough mass for hydrogen fusion to be sustain. Such stars are also known as brown dwarf stars.Assuming that the question refers not to a falled (??) star but to a failed star, the answer is that it is a star that does not have enough mass for hydrogen fusion to be sustain. Such stars are also known as brown dwarf stars.Assuming that the question refers not to a falled (??) star but to a failed star, the answer is that it is a star that does not have enough mass for hydrogen fusion to be sustain. Such stars are also known as brown dwarf stars.Assuming that the question refers not to a falled (??) star but to a failed star, the answer is that it is a star that does not have enough mass for hydrogen fusion to be sustain. Such stars are also known as brown dwarf stars.
What is the color of the collest star?
The coolest stars are the Brown Dwarfs, so naturally, they're red. ("Red Dwarf" was already taken)
Is dwarf stars also known as failed stars?
No, not all dwarf stars are failed stars. Only brown dwarfs are called "failed stars".
What is a celestial object intermediate in mass between small known stars and large planets?
A brown dwarf.
Is it necessary for a star to carry out fusion reaction?
Well, white dwarf, brown dwarf, and neutron stars don't; but they are "dead" stars.
What stars are cool stars?
Red Dwarf stars. Brown Dwarfs are failed stars, so they don't count.
Are there dwarf stars other than red and white like maybe blue?
Yes there are a few more [See related link for more information].--- Main sequence stars -----Red dwarf Yellow dwarfBlue dwarf (hypothetical)--- Degenerate stars --------White dwarf Black dwarf (hypothetical)--- Sub stellar stars -------Brown dwarf.
What are the release dates for The Daily Orbit - 2012 Cloudy Brown Dwarf Stars 2-83?
The Daily Orbit - 2012 Cloudy Brown Dwarf Stars 2-83 was released on: USA: 8 January 2013
Are brown dwarf stars young or old?
They can be any age. A brown dwarf is a failed star, one that is not massive enough to start nuclear fusion. A brown dwarf may have formed recently, or could be almost as old as the universe itself.
Can a star be a brown dwarf?
Yes, a brown dwarf is a star that failed to ignite hydrogen fusion because it did not have enough mass for a strong enough gravitational collapse. Brown dwarf stars glow dimly with residual heat for a very short time.
What happens to stars which are less massive than sun?
Stars with more than about 80% of the Sun's mass behave like the Sun. They should eventually become red giant stars then white dwarf stars. Stars with mass of between about 8% and 80% of the Sun's mass are red dwarf stars. Below that come the "brown dwarfs, which aren't really true stars at all. The red dwarfs cannot fuse helium, so they simply become "white dwarf" stars when they have used up all their hydrogen "fuel".
What is the least luminous spectral class?
Spectral class Y, which is typical of "brown dwarf" stars.
What type of stars are there in space?
; Binary Stars, Black Dwarf,Black Hole,Brown Dwarf,Galaxy,Main-Sequence Stars,Nebula,Neutron Star,Nova,Pulsar,Quasar,Red Giant,Supergiant,Supernova,Variable Star,White Dwarf,Wolf-Rayet Star...................
How many Red Dwarf Stars are there in the Milky Way Galaxy that we know of in October of 2011?
The Milky Way has somewhere between 100 and 400 billion stars; most of those are red dwarf stars.
