Question

Write short note on given figure.​

Answer 1

Answer:

this is Kepler's first law..

An orbit of a planet is an ellipes with the sun at one of the foci

Answer 2

Kepler's laws apply: First Law: Planetary orbits are elliptical with the sun at a focus. Second Law: The radius vector from the sun to a planet sweeps equal areas in equal times. Third Law: The ratio of the square of the period of revolution and the cube of the ellipse semimajor axis is the same for all planets.

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.

3) the square of a planet's orbital period is proportional to the cube of the semi-major axis of its.

Kepler's laws of planet motion are three scientific laws describing the motion of planets around the Sun, published by Johannes Kepler between 1609 and 1619. These modified the heliocentric theory of Nicolaus Copernicus, replacing its circular orbits and epicycles with elliptical trajectories, and explaining how planetary velocities vary.

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