Xref: utzoo sci.space:8764 sci.space.shuttle:2166 sci.physics:5079 Path: utzoo!utgpu!watmath!clyde!bellcore!rutgers!mailrus!caen.engin.umich.edu!sheppard From: sheppard@caen.engin.umich.edu (Kenneth Charles Sheppardson) Newsgroups: sci.space,sci.space.shuttle,sci.physics Subject: Re: A Question about a HEO manned space station Message-ID: <40220137.298d@dl298d.engin.umich.edu> Date: 8 Dec 88 13:47:00 GMT References: <1073@galaxy> <4429@homxc.UUCP> <2121@garth.UUCP> <17976@agate.BERKELEY.EDU> Distribution: na Organization: U of M Engineering, Ann Arbor, Mich. Lines: 24 --------------------------------------------------------------------------------------------- In article <17976@agate.BERKELEY.EDU>, maniac@garnet.berkeley.edu (George W. Herbert) writes: > In article <401907a2.5e37@dl5e37.engin.umich.edu> I wrote: > >>LEO <=> 100-500 nautical miles ( 200-1000 km ) >>HEO <=> >500 nautical miles ( >1000 km ) > > pardon, but since when is 500 miles=1000 km? > even nautical miles... > really, 500 nm=925 km > (close, but no cigar?...) > -george william herbert Actually, if I wanted to be picky I'd point out that: 1 nm = 1852 m => 500 nm = 926 km ^ ...but then since my original statement was intended only as a general guideline/rule of thumb, and since the limits aren't that clearly defined, I see no reason for me to be picky. --------------------------------------------------------------------------------------------- Ken Sheppardson sheppard@caen.engin.umich.edu