Before Johannes Kepler’s Third Law, the motions of the planets around the Sun were a mystery. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.
German astronomer Johannes Kepler (1571-1630) once hypothesized that the universe began on April 27, 4977 B.C., according to History.com. The Big Bang theory did not develop until the 20th century, ...
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