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Re: o/t science question about land leveling
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Posted by Bill(Wis) on March 24, 2007 at 09:07:49 from (12.175.9.194):
In Reply to: Re: o/t science question about land leveling posted by Nebraska Cowman on March 24, 2007 at 08:42:25:
He flew the "arc of a great circle". A "great circle" cuts the earth directly in half. The equator is a great circle. Any line of longitude is a part of a great circle. If you want the shortest distance between New York and Tokyo you cut the earth exactly in half on a line between NY and Tokyo and fly that line.
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