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All planets have gravity, but some planets have more gravity that others. The amout of gravity is based on the size of the planet. Jupiter, for example, has much more gravity than Earth because it is bigger. Planents aren't the only objects that have gravity. Even your pencil has gravity, but it is such an extremly small amout that it really doens't make a difference.
What else can I help you with?
Why is why is there gravity on some planets but not on others?
There is gravity on all planets. The strength of that gravity varies depending on the size and mass of each planet.
Is the gravity force on the other planets stronger or weaker than the force on earth?
It varies. It is stronger on some planets and weaker on others. The strength of gravity on any planet depends on its mass and diameter.
How many planets have gravity?
All planets have gravity to some degree due to their mass. Gravity is what keeps objects, including planets, in orbit around the sun.
Does mars have stronger or weaker gravity?
Than what?The surface gravity of Mars is lower than that of Earth, but higher than that of the Moon, if that helps.
Why is gravity in some planets more some not?
Gravity is stronger on some planets because the planet's core is much more dense. Making it's gravitational pull stronger. Which is making gravity stronger. that is sortof true
Where do the planets get gravity?
Planets have gravity because they have mass.
Why don't any other planets have any air and gravity?
All planets have gravity- Some more than Earth, some less. Other planets that are large enough do have air- but not made up of the same gasses as Earth.
Why does earth have gravity and other planets don't?
The other planets do have gravity.
Do the inner planets have gravity?
Yes. All planets have gravity. Earth is one of those inner planets.
Why is weight different on different planets and the moon?
Some planets have less gravity or more gravity.More gravity giving you more weight and less giving you less weight.
What cause planets to orbit the sun?
i know only one and it's a good one, the sun's gravity pulls the planets from flying some where else EDIT: Gravity pulls objects together and angular momentum makes sure planets orbit
Does the sun give planets gravity?
No. Planets have gravity as a result of their own mass.
