Combining Newton's and Kepler's laws, we can weigh the Sun, provided we know:. Physics & Astronomy

2019-11-18 20:10:34
Physics & Astronomy

its density as found by spectroscopy
the exact timings of the transits of Venus and its diameter
the size of the A.U. and exact length of the year
the Earth's mass and circumference
its temperature as found by Wien's Law

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