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Define keolers law of planetry motion

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Define keolers law of planetry motion

Posted by Chhaya Gangwar 4 years, 7 months ago

CBSE > Class 09 > Science

1 answers

Meghna Thapar 4 years, 6 months ago

Johannes Kepler was a 16^th century astronomer who established three laws which govern the motion of planets around the Sun, known as Kepler’s laws of planetary motion. These are:

Kepler's First Law states that the planets move around the Sun in elliptical orbits, with the Sun at one of the two foci of the elliptical orbit.
Kepler's Second Law states that in an elliptical orbit of the planet, the line joining the centre of the planet to the centre of the Sun sweeps out equal areas in equal intervals of time.
Kepler’s Third Law states that the cube of the mean distance ‘r’ of a planet from the Sun is directly proportional to the square of its orbital period 'T'.

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