Page 1. Earth & Mars data collected by Bob & George (StarshipGaia@aol.com) from the National Space Sciences Data Center's Earth Fact Sheet (http://nssdc.gsfc.nasa.gov/planetary/factsheet/earthfact.html) and Mars Fact Sheet (http://nssdc.gsfc.nasa.gov/planetary/factsheet/marsfact.html), and Christopher McKay's article "Bringing Life to Mars" in the March 1999 issue of Scientific American.

Page 2. Earth & Mars scale orbits, circular approximations. Scale 5 cm : 1 AU

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