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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Plumb-line horizon vs. geocentric horizon
From: Bill B
Date: 2005 Feb 3, 21:12 -0500
From: Bill B
Date: 2005 Feb 3, 21:12 -0500
> If you want to look "straight at" the Earth's geometric center, place an > ordinary aspirin tablet on the floor. That's about 12' minutes of arc in > apparent diameter (use half an aspirin if you're at 15 or 60 degrees > latitude). Frank Gave this considerable thought, then took the aspirin ;-) Bill