Question

1. State Kepler's three laws.​

Answer 1

Answer:

There are actually three, Kepler’s laws that is, of planetary motion: 1) every planet’s orbit is an ellipse with the Sun at a focus; 2) a line joining the Sun and a planet sweeps out equal areas in equal times; and 3) the square of a planet’s orbital period is proportional to the cube of the semi-major axis of its orbit. As it’s the third which is most often used, Kepler’s law usually means Kepler’s third law (of planetary motion).

Answer 2

Answer:

Kepler's three laws are (1) every planet's orbit is an ellipse with the sun at focus.

(2) a line joining the sun and planet sweeps put equal areas in equal times.

(3) the square of plantes orbits period is proportional to the sidereal period (of revolution) of the planet are directly proportional to the cubes of their means distance from the sun.

Explanation:

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