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Because planets don't consist of pure mass. They are shells. The faster the planet rotates the more centrifugal force is applied and all of the matter gets pushed outside. Jupiter is flattened at the top and bottom because of this force. Hurricanes and Tornadoes all have a hollow interior because of centrifugal force when they are spinning. This is why the faster a planet spins the larger it gets (it would be safe to say that a larger planet has a thinner crust).
Comments:
1) There are obvious exceptions to this "rule", but there does seem to be a link between planet mass and rotation speed.
2) There is the problem of dealing with two very different types of planets (terrestrial planets and gas planets).
3) From what I've read, planetary scientists have not yet got a complete
theory to explain this phenomenon. There are several theories.
Angular momentum seems to be very important.
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∙ 10y ago
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Do the gas planets rotate slower or faster than earth?
they rotate faster
Do other planets rotate?
Yes, some faster than others. In fact, virtually all spacial bodies rotate.
Do Jovian planets rotate faster than Terrestrial planets?
No. The length of a planet's year is determined by its distance from its sun. In our solar system all of the Jovian planets orbit farther from the sun than the terrestrial ones and therefore have longer years.
What planets have a more rapid rotation?
Earth, It take's earth only 1 year to fully rotate around the sun faster then all the other planets in our solar system
Which planets rotate from east to west?
Venus and Uranus are the planets which rotate from East to West.
Do the gas planets rotate slower or faster than earth?
they rotate faster
Why do larger planets rotate on their axis faster than smaller ones?
nonono bigger is not always faster. the answer to ur question is newtons law of motion, go look it up
Do gas planets rotate around their axes faster than rock ones?
They go faster
Do other planets rotate?
Yes, some faster than others. In fact, virtually all spacial bodies rotate.
Do Jovian planets rotate faster than Terrestrial planets?
No. The length of a planet's year is determined by its distance from its sun. In our solar system all of the Jovian planets orbit farther from the sun than the terrestrial ones and therefore have longer years.
What is the characteristics of the outer planets?
All outer planets have a gaseous atmosphere and are larger than planets the inner planets it also takes them longer to rotate the sun they are typically colder and have more moons.
Why does the length of a day and year vary from planet to planet?
Some planets rotate faster or than others. Also the planets take different times to orbit the Sun.
What are the fastest cooling planets?
Smaller planets cool faster than larger planets. Therefore, from fastest to slowest cooling: Mercury, Mars, Venus, Earch
Do all planets except earth rotate?
All planets rotate. Even earth.
Which planets rotate on an axis?
All of the planets in the Universe rotate on an axis. They all do.
Do smaller wheels go faster?
No, they just rotate at more revolutions that a larger wheel at the same speed.
What planets have a more rapid rotation?
Earth, It take's earth only 1 year to fully rotate around the sun faster then all the other planets in our solar system
