Planetary Science
Gravity

# What causes surface gravity on planets?

###### Wiki User

Gravity is a result of mass. All planets, even fairly small ones, have an enormous amount of mass and so have noticeable surface gravity.

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## Related Questions

Yes. All planets have gravity. Gravity at Uranus "surface" is 88.6% that of Earth.

Earth has the strongest gravity of the terrestrial planets.

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

The earth does not have more gravity than any other planet. It does have the highest surface gravity of any of the inner planets, but Jupiter (2.6 g), Neptune (1.14g) and Saturn (1.1g) each have a higher surface gravity than earth. The surface gravity of the three planets is written as a function of (as the multiple of) the surface gravity of earth (g). (If a planet had twice the surface gravity of earth, its surface gravity could be written as 2g.)

Terrestrial planets are small,rocky,low surface gravity and short years. Jovian planets are large,gaseous,high surface gravity and long years.

Of the planets in our solar system, Mars has the lowest surface gravity of around 38% of earths - over one third. This comes closest to the 25%. We then have moons and dwarf planets, but these have much lower surface gravities.

No. Jupiter, by far, has the strongest gravity of all the planets in the solar system, more than twice the surface gravity of Earth.

Jupiter has the strongest gravity as it is the most massive. Of all the planets that have a solid surface, Earth has the strongest surface gravity

No. The surface gravity of a planet is determined by its mass and radius.

The gravity of the Sun (combined with the inertia of the planets) causes the planets to orbit the Sun.

Planets are pulled in strongly by the Sun's gravity. The planets also go around the Sun at high speeds. The combined effect is that the acceleration due to gravity only causes a planet's path to curve continuously inwards towards the Sun, and that process can go on forever.

Of the terrestrial planets, Earth has. Of allthe planetsin our solar system, Jupiter has.

Earth is the most massive terrestrial planet, so it has the highest surface gravity.

The sun's gravity causes a gravitational force to act on all of the planets. This acts as a centripetal force allowing the planets to travel in elliptical orbits.

An bigger thing on Universe, the more gravity but the Black hole is small but has the most gravity pushing in it and Stars had more gravity than the planets just like an Guy with an big muscle. he had the ability to push and pull and object.

The same thing that causes the planets to head for the sun, Gravity.

Earth is the largest and most massive of the four inner or terrestrial planets. Its surface gravity is therefore the highest of the four.

Gravity causes objects, like planets, to orbit the Sun.

Gravity causes air to be denser near Earth's surface.

The surface gravity of a planet is based on how dense the planet is, and how much of it there is. Different planets have different masses. Bigger the mass, higher the gravity.

This question is probably about the strength of the "surface gravity" of the planets. "Jupiter" is the obvious answer. It has a surface gravity about 2.5 times Earth's. Neptune also has a higher surface gravity than Earth. (Sometimes Saturn is given as another example, but it depends on the exact definition of "surface gravity".)

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