Asked by jacob
The image above shows the retrograde (backward) motion of Mars as observed from Earth by the astronomer who discovered it. Knowing the orbits of Earth and Mars were important in the discovery of the three laws of planetary motion. Which of these mathematician/astronomers used observation and deductive reasoning to discover these laws?
A.
Johannes Kepler
B.
Tycho Brahe
C.
Sir Isaac Newton
D.
Galileo Galilei
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Answered by
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A. Johannes Kepler
Kepler used Tycho Brahe’s precise observations (especially of Mars) and deductive reasoning to derive his three laws of planetary motion (elliptical orbits, equal areas in equal times, and the period–distance relation).
Kepler used Tycho Brahe’s precise observations (especially of Mars) and deductive reasoning to derive his three laws of planetary motion (elliptical orbits, equal areas in equal times, and the period–distance relation).
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