Question

the planets revolve only at a fixed distance from the Sun

Answer 1

it is true they revolves at fixed distance from sun due to centripetal force

Answer 2

Answer:

One of the conditions to classify a heavenly body as a planet is that it should revolve in a fixed path.

Explanation:

• Sun is like other stars and has gravitational force.
• Due to the sun's gravitational force, planets, comets, asteroids, dwarf planets, etc., revolve around the sun.
• The heavenly objects on which the sun's gravitational field works revolve around the sun, but not all heavenly bodies maintain a fixed distance from the sun.
• Planets are heavenly bodies that maintain their fixed distance from the sun.
• Pluto was removed from the category of the planet as it does not maintain a fixed distance or does not revolve around a fixed path.

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