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Re: Real accuracy of the method of lunar distances
From: George Huxtable
Date: 2004 Jan 6, 22:40 +0000
From: George Huxtable
Date: 2004 Jan 6, 22:40 +0000
Responding to Jan Kalivoda, I said, inter alia- >One effect remains, however. Let's say, for argument, that the effect of >changing parallax halves the apparent rate of change of lunar distance >(which may not be far from the truth, in a bad example). Then measuring >the apparent lunar distance to a certain accuracy implies that the true >lunar distance is only being measured to half that accuracy, because only >half of the change in apparent distance results from changes in the true >distance, the other half coming from changing parallax. ========== Looking back at that once again, I am no longer completely convinced by my own argument. Please don't take it too seriously at present, while I think again. George. ================================================================ contact George Huxtable by email at george@huxtable.u-net.com, by phone at 01865 820222 (from outside UK, +44 1865 820222), or by mail at 1 Sandy Lane, Southmoor, Abingdon, Oxon OX13 5HX, UK. ================================================================
