0
On all the planets it is a force that acts towards the centre of the planet. The force is different on the planes because they all have different size and mass.
On Mercury, Venus and Mars the force of gravity can be calculated on the surface because those planets' sizes and masses are known and Newton's law of gravity can be applied. On those three planet the gravity would be less than on Earth.
On the four outer planets it's more difficult because the planet we see is only the top of the cloud cover. It is not known if these planets have a rocky core that one could 'stand' on at all, because the atmosphere quickly becomes denser as the altitude is reduced, and there may be no suitable interface between rock and a reasonably gassy gas where an instrument could stand.
What else can I help you with?
Why are planets shaped like balls?
because of gravity
Are all planets held by a force called gravity?
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.
If there is no Gravity in space what holds up the Planets?
Planets are held in orbit around a star by gravity. Gravity is the force of attraction between objects with mass, and it is what keeps planets in their respective orbits around stars like our Sun. Without gravity, planets would not be able to maintain their position in space.
Where do the planets get gravity?
Planets have gravity because they have mass.
Why does earth have gravity and other planets don't?
The other planets do have gravity.
What does gravity cause bodies in your solar system to do?
Gravity causes objects, like planets, to orbit the Sun.
Do dwarf planets have gravity?
Yes, dwarf planets have gravity just like any other astronomical body. Gravity is a fundamental force that exists due to the mass of an object, so all objects with mass, including dwarf planets, have their own gravitational pull.
Are the planets like moons to the sun?
The planets are satellites of the sun. The moons are satellites of the planets. The moons revolve around the planets captured by their gravity, while the planets revolve around the sun captured by its gravity and the sun.
What force works with gravity to keep the planets from being pulled into the sun?
That's "centrifugal force". It's not a "real" force like gravity, but is a convenient way of describing the effect of the inertia of the planets. (The planets would move in straight lines if they were not in a gravity field.)
Do the inner planets have gravity?
Yes. All planets have gravity. Earth is one of those inner planets.
Why is there no gravity on most planets?
The premise of this question is incorrect; all planets have gravity.
Does the sun give planets gravity?
No. Planets have gravity as a result of their own mass.
