About four buckets worth.
It's nonsense, but it makes at least as much sense as the question.
gassy planets are made of gas that is stuck together by gravity. Also the answer is in the question.
All mass produces a gravity field. All planets have mass. Therefore all planets have gravity.
My teacher Mrs. Black said before that it was gravity that holds the planets together in space.
All massive objects (including all planets) have gravity.
The premise of this question is incorrect; all planets have gravity.
All 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.
Yes. All planets have gravity. Earth is one of those inner planets.
Yes, all planets in our solar system are held in orbit around the Sun by the force of gravity. Gravity is what keeps celestial bodies like planets, moons, and asteroids moving in their respective orbits.
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.
None. All planets have gravity.
There is gravity on all planets. The strength of that gravity varies depending on the size and mass of each planet.