Gravitational fields Flashcards
1
Q
what is kepler’s first law
A
the orbit of a planet is an ellipse with the sun as one of its two focii points
2
Q
what is kepler’s second law
A
a line segment joining a planet and the sun sweeps out equal areas during equal time intervals
3
Q
what is kepler’s third law
A
the square of the orbital period of a planet is directly proportional to the cube of its average distance from the sun