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Well sometimes it is and sometimes it isn't. That old saying is not nessary true. Because there are plenty of planets in the universe that are the same size as earth but have less gravity than earth.

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9y ago

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Is it true that the bigger the planet the stronger the gravity?

For the most part, yes. But the actual determining factor for how much gravity a planet has is based on its mass, and since size and mass are often related it is somewhat accurate to say that the bigger the planet is, the more gravity it will have.


The bigger the roundness size of the planet the more atmosphere?

that is not true


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


Is it true that Earth is the only planet with gravity?

No, that's not true. All planets, moons, and stars have gravity. Actually all objects have gravity, it's just not very strong for small objects.


What must a planet be larger than to be a true planet?

A planet must be large enough for its gravity to pull it into a nearly round shape. In our solar system, a planet needs to have cleared its orbit of other debris to be considered a true planet.


Is it true that the closer the planets are to the sun then the less gravity the planets have?

No. The surface gravity of a planet depends on its size and mass, not its distance from the sun.


Is it true that the more mass a object has the more gravity pulls on it?

No, the more mass of an object the more gravity it exerts.


Is it true that the bigger the number the more factors?

No.


True or false the more mass a planet has the more its gravitational pull to another planet?

True. The gravitational force between two planets is directly proportional to the product of their masses. So, the greater the mass of a planet, the stronger its gravitational pull towards another planet.


Is it true that moon has more gravity than earth?

Not a chance


Is it true that the gravity it takes to keep electrons around the nucleus of an atom may be slightly more than than needed to keep the electrons attached and that extra gravity adds up to attraction?

The extra gravity from the electron/nucleus attraction , even tho it is tiny, will add up when trillions of attoms from a planet, asteroid, or sun to form a gravity shield around the object. the more attoms there are, the greater the attraction.


Is it true that the sun affected by earth's gravity more than other stars are?

Yes. Gravity is inversely proportional to distance.