What is meant by rotation and revolution of a planet?

Answer 1

Rotation means self rotation..It spins about an axis.

Revolution is the planet going round the Sun.in an orbit.
Earth rotates itself in 23 hours 56 minutes and 4 seconds.
Earth revolves around sun in an orbitin 365.242 days.

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Answer 2

Hazel Asher

Rotation refers to the spinning motion of a planet around its axis, which causes day and night cycles. Revolution refers to the orbiting motion of a planet around its star, completing one full orbit or revolution over a specific period, determining the length of its year.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.