The correct answer is A. Johannes Kepler. He is known for formulating the three laws of planetary motion based on extensive observational data collected by Tycho Brahe. Kepler used this data along with deductive reasoning to establish his laws.
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.
Galileo Galilei
C.
Sir Isaac Newton
D.
Tycho Brahe
1 answer