Kepler
I am not sure how much detail you want. But basically he explained Newton's three Laws of Motion, Newton's Law of Gravitation and developed Kelper's Laws of Planetary Motion.
Tycho Brahe :P
Johannes KeplerHis first two laws were published in Astronomia Nova(The New Astronomy) in 1609. His Third Law was published in 1618, in book five of his Harmonices Mundi (The Harmonies of the World.)
This is Kepler's second law of planetary motion, also known as the law of equal areas. It states that a planet moves faster when it is closer to the Sun and slower when it is farther away, so that the area swept out by a line connecting the planet to the Sun is equal over equal time intervals.
Johannes Kepler in the early 17th century. He developed his three laws of planetary motion, with the first law stating that planets move in elliptical orbits with the Sun at one focus.
Not knowing what the following is will make it hard to know which is not a law of planetary motion. It is helpful to know the answer choices.
Kepler's Laws of Planetary Motion.
All 3 of them (Kepler's laws of planetary motion).
Sir Isaac newton discovered the Law of Motion.
The three laws of motion are: The Law of Inertia The Law of Acceleration and The Law of Interaction.
The three laws of motion are: The Law of Inertia The Law of Acceleration and The Law of Interaction.
1701