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The Extent of Nothingness
Posted on 09-08-2006 at 03:03:22 pm by Justin, 190 words, 757 views Extrapolating the size of the earth relative to other planets, our sun and other stars leaves us flummoxed.
But should we go the other direction, we'd soon realize we are composed of nothing but so much empty space:
A hydrogen atom is only about a ten millionth of a millimeter in diameter, but the proton in the middle is a hundred thousand times smaller, and the electron whizzing around the outside is a thousand times smaller than THAT. The rest of the atom is empty. I tried to picture it, and I couldn't. So I put together this page - and I still can't picture it.
The page is scaled so that the smallest thing on it, the electron, is one pixel. That makes the proton, this big ball right next to us, a thousand pixels across, and the distance between them is... yep, fifty million pixels (not a hundred million, because we're only showing the radius of the atom. ie: from the middle to the edge). If your monitor displays 72 pixels to the inch, then that works out to eleven miles - making this possibly the biggest page you've ever seen.
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