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Asked by 08caseb to Alan, Caspar, Murray, Sarah on 24 Mar 2011.
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Sarah Thomas answered on 23 Mar 2011:
“Infinitely many” is probably too high an estimate, but there are more stars (suns) in the universe than you can imagine!! It is estimated that there are roughly 10 to the power 11 or 12 galaxies, giving an estimate of perhaps 10 to the power 22 to 24 stars in the whole universe!!!
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Caspar Addyman answered on 23 Mar 2011:
Across our whole galaxy there are millions and millions of sun like stars but most of them are very, very long way away. One of the nearest star that is approximately the same size as the sun is Tau Ceti.. which is ten light years away..
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Murray Collins answered on 23 Mar 2011:
One in our solar system! In our galaxy I think the number is 100 thousand million stars. Then there are millions of other galaxies. That makes my head hurt.
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Alan Winfield answered on 24 Mar 2011:
Gosh the answer is probably infinite – if you include the whole of the Universe. The problem is we can only see (and therefore estimate the number of galaxies) in the part of the Universe who’s light can reach us. So there are probably a vast number of galaxies – and stars – that we can’t even see and don’t know are there. As Douglas Adams wrote “Space is big. You just won’t believe how vastly, hugely, mind- bogglingly big it is.”
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