KNOWN SPACE: Ringworld at the Incompleat Known Space Concordance

Republibot 3.0
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What is Ringworld? Ringworld is a huge disk 180 million miles in diameter, with a G2 star at the center. It revolves around the star for gravity. It's a million miles across, has a circumference of 565 million miles, and an area of 2 trillion,544 billion,690 million miles. By comparison, the total surface area of the earth is only 149 million square miles, of which only about 30% is land.

Having a hard time getting a grasp on the scale? Check this out:

We start out on a 1:1 scale map of earth (One mile = one mile) and zoom out to show the whole structure.

Ringworld is a fascinating place, obviously, and my friend Lensman has just updated his Incompleat Known Space Concordance website to include a full appendix of information about the place itself and the book that introduces it. There's some snazzy illustrations, too.

Check it out at http://www.freewebs.com/knownspace/rw.htm and tell 'em r3 sent you.

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