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planets have revoloution times because back before clocks, they used the sun and some odd looking statues placed correctly to tell the times, so therefore by giving a planet a revolution time they could tell what time of day or year it was by looking at the position of the sun.

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Q: Why do planets have a revolution times?
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Related questions

What are the comparisons of the revolution times of planets and can you relate them to distance from the sun.?

The relationship is given by Kepler's Third Law.


What is revolution's importance to the planets?

It has something to do with the planets' temperature and climate.


How is the revolution of the moon different from the revolution of planets?

The planets revolve around the sun. The moon revolves around Earth.


What two factors affect a planets revolution?

Two factors that affect a planets revolution are distance from the sun and size.


The movement of planets around the sun?

This is called orbiting. Or a revolution.


How would you define revolution of Planets in the solar system?

the revolution of planets in solar psyeatem is in anticlockwise direction.the revolution in simle words is like moving in one direction at one place.


Which of these planets are considered to have a short revolution?

mercury


How many times has the solar system orbited the center of the galaxy since the sun and planets were formed?

At about 225,000 years per revolution, that would work out to about 20 times - give or take.


How many times has the solar system orbited the center of the Galaxy since the Sun and the planets were formed?

At about 225,000 years per revolution, that would work out to about 20 times - give or take.


Process planets travel around sun?

revolution


When moving from the outer planets to the inner planets what can be said about their periods of revolution?

FCAT Focus answer: C) They decrease


What is the model of the solar system named?

An "orrery" is a mechanical contraption, most no bigger than a desktop, that simulates the planets in their revolution around the sun. More complicated (and expensive) models also simulate the planets' rotation on their axes, and the revolution of some of the planets' satellites around their respective planets.