James Burkett Hartle, Gravity: An Introduction to Einstein's General Relativity, 2nd edition
Chapter 2. Geometry as Physics 제2장. 물리학으로서의 기하학
문제(Problem) 2 및 해설(Solution)
The center of the Sun is much further away from a terrestrial measurement of angles than the center of the Earth is. But the Sun is also much more massive than the Earth. Using (2.1), estimate which would have the greatest effect on a measurement of angles such as is attributed to Gauss.
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