All of them!
Planets can’t form without gravity.
Mars’ gravity is about 3 times weaker than on Earth. (Because it is smaller)
Jupiter’s gravity is about 2.5 times stronger than Earth’s! It doesn’t sound like a lot, but it would be struggle to even lift a can of soup!
Anything with mass can have gravity (even we do!), it’s just they have to be really really heavy for anything to feel it!
Fantastic Question,
Ryan 😀
Everything with mass has gravity which means there is gravity on every planet!
The heavier a planet is the more gravity it will have. Even you and I have gravity. If we were in the middle of space and not near anything else, we would eventually move towards each other because of our gravity.
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