From: "Dan'l Danehy-Oakes"
Subject: RE: (urth) distance Date: Thu, 11 Apr 2002 11:26:09 -0700 > Well, Blattid, since you put it so succinctly, the choice is easy. Of > course the 30,000 league figure is incorrect! Which means that Green > might only fluctuate a tiny amount from its 80,000 league distance, I'm no orbit mechanic, but that seems unlikely with a six-year period, and _very_ unlikely to cause the inhumi to be able to cross only for a short period. > Thanks! You made everything so much easier! Oh. Good. > So we know that the moon was moved from about 80 to 50 thousand > leagues in Severians day Ahem. We do not know that it "was moved." I believe that most models suggest that the Moon _will_ in fact move closer over (geological) time. > ... the moon is proportionally very large for a satellite when compared > with the earth's mass. It is huge compared to the satellites of most > of the gas giants. Correct; we are actually best regarded as a double-planet system. (The center about which the Earth-Moon system mutually orbits is, if I am not mistaken, not actually inside the Earth.) --Blattid --