Which of the following is NOT part of the definition of ‘Planet’?

If it doesn’t contain any of the following definition then it’s wrong

A planet is a celestial body that (a) is in orbit around the Sun, (b) has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium (nearly round) shape, and (c) has cleared the neighbourhood around its orbit.

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dubeyshailja64 dubeyshailja64 · Answer 2 · 2022-07-13T16:08:28+02:00

Among the options, Rocky mass is not a part of the definition of a planet. Thus option E is the appropriate answer.

What is a planet?

Planets are a celestial body , part of the solar system, they differ from stars. There are 9 planets present in the solar system.

The definition of a planet includes that it orbits a star, which is a celestial body that has a clear orbit of other objects. Rocky mass refers to a sizable and hazy mass of solid earth materials not included in planets.

Therefore, option E rocky mass is the appropriate answer.

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