Question

What is mean by Perihelion

Answer 1

The perihelion is the point in the orbit of a planet, asteroid or comet that is nearest to the sun. ... The word perihelion stems from the Greek words "peri," meaning near, and "Helios," meaning the Greek god of the sun. (The similar word, perigee, refers to the nearest point in some object's orbit of earth.)

Answer 2

the point in the orbit of planet,asteroids or comets at which it is closed to the sun

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