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Old 27-March-2008, 12:26 AM
Jeff Root Jeff Root is offline
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Join Date: Dec 2004
Location: Minneapolis
Posts: 3,234
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Quote:
Originally Posted by Noclevername View Post
You must mean the density of part of universe, then...
I mean the entire visible Universe, adjusted for a common time.

Quote:
as density is mass times volume.
Or divided by. I bet I do that more often than you!

Quote:
And we don't know the universe's volume.
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
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