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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Planet positions and light travel time
From: David Pike
Date: 2017 Dec 17, 13:08 -0800
From: David Pike
Date: 2017 Dec 17, 13:08 -0800
I only just thought of this, and I wish I hadn’t, because the answer will probably make me look very dim, but how do the tables allow for the fact that when you observe a planet, the light you see comes from where the planet was several minutes before, not where it was at the time of observation? DaveP
