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Originally Posted by Noclevername
You must mean the density of part of universe, then...
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I mean the entire visible Universe, adjusted for a common time.
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as density is mass times volume.
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Or divided by. I bet I do that more often than you!
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And we don't know the universe's volume.
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Does that matter?
I don't have any idea what volume of iron meteoroids landed on the
Earth over the last 100 years, but I know that the density of all those
meteoroids is very close to 7.
-- Jeff, in Minneapolis