Questions regarding two or more stars gravitationally bound to each other
Questions tagged [star-systems]
96 questions
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What are hot and cold stellar systems?
My idea of the matter is: hot stellar systems are which form of objects which have a velocity standard deviation comparable to their mean velocity. Is this correct? If it is, is there a $\frac{\sigma_v}{}$ boundary, which draws a line between hot…
zabop
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Triple Stars v/s Ternary Stars
Ternary (or trinary) stars are not the same as triple stars. So, what is the basic underlying difference between these two? What are some popular examples of these two varieties?
MycrofD
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Binary Star System
If our Sun was a part of a Binary Star System, would it be too hot to live on Earth ? With two Suns, would we get double the heat from them ,than from our Sun alone ?
Peter U
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How many arc seconds is Sirius "spiralling motion" around Sirius B?
I know that Sirius A and B orbit each other. I'd like to ask how large is their relative apparent motion in arc seconds, seen from Earth?
pol0
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About more than 15 stars moving in straight line through the sky
I had seen more than 15 stars are moved in a straight line through the sky just like a train. And the distance between each star was not same, some of them were near and some of them were far. The intensity of the light of each star was also…
Sajeesh
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How many planets does Omicron Persei have?
Omicron Persei is a binary star. I did not find information on how many planets it has and if we can actually determine it currently. However, I do know that most stars have planets orbiting around them and so I assume there are such planets.
For…
user1803551
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Why nuclear fusion is a controlled process in stars?
Nuclear fusion is the main way for stars to generate energy. But we know that nuclear fission and fusion are not controlled, then it causes chain reaction and sudden explosion. But why in the case of stars it does not happen? I mean, that nuclear…
Muhsin Ibn Al Azeez
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Why would a star’s position in the sky change relative to another star right next to it?
I'm curious about stars and I am wondering why a star would change its position in the sky due to another star right next to it?
Username123
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Has Science observed and recorded a stars birth?
Has Science observed the entire process of a star being created when the area of creation was just a void in space? Or is there still missing data that has not been entirely observed and recorded?
I am asking for a simple yes or no if science has…
user5434678
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