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The Water Cooler
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Astronomers Find a Dusty Galaxy that Shouldn't Exist
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<blockquote data-quote="1krr" data-source="post: 2716573" data-attributes="member: 750"><p>Lol at Hobbes' shirt. </p><p></p><p>So I'm not an astronomer but I play one on the internet. The short version is that in the early universe there was very little dust. The stuff floating around was basically hydrogen and helium gas. These are the two simplest atoms. When enough hydrogen gathers into one place, the gravity squeezes it until it is very dense and very hot. This is where fusion comes in. Hydrogen and helium fuse together to form more complex atoms such as carbon, oxygen, etc. After a while, these stars run out of fuel and explode blowing all of those other elements out into a cloud. That is the stuff that astronomers call dust. This process takes millions of years. What makes this discovery interesting is that the galaxy they found seems like it has a lot of dust but is very young in age which means that there shouldn't have been enough time for enough stars to form and blow up to account for the amount of dust the galaxy seems to have.</p></blockquote><p></p>
[QUOTE="1krr, post: 2716573, member: 750"] Lol at Hobbes' shirt. So I'm not an astronomer but I play one on the internet. The short version is that in the early universe there was very little dust. The stuff floating around was basically hydrogen and helium gas. These are the two simplest atoms. When enough hydrogen gathers into one place, the gravity squeezes it until it is very dense and very hot. This is where fusion comes in. Hydrogen and helium fuse together to form more complex atoms such as carbon, oxygen, etc. After a while, these stars run out of fuel and explode blowing all of those other elements out into a cloud. That is the stuff that astronomers call dust. This process takes millions of years. What makes this discovery interesting is that the galaxy they found seems like it has a lot of dust but is very young in age which means that there shouldn't have been enough time for enough stars to form and blow up to account for the amount of dust the galaxy seems to have. [/QUOTE]
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Astronomers Find a Dusty Galaxy that Shouldn't Exist
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