# Why does gravity differ on different planets

## My weight on other planets

Science & Exploration

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ESA / Science & Exploration / Human and Robotic Exploration / I want to know

Science and Mathematics

It's not just the earth that exerts a force of gravity on us that pulls us towards the surface. Every object exerts an attraction on all other objects with a mass. The only difference is the strength of the attraction. When an object has a greater mass, the attraction is greater (the earth has a great attraction because it has a large mass). Gravity exists on all planets. If we were to stand on the surface of Saturn, we would weigh more than on Earth because Saturn has greater gravity than Earth!

Your weight is the force that your body perceives due to its mass in relation to gravity. Your mass always stays the same - but depending on whether you are on earth or on the much smaller moon, the force is stronger or weaker.

Find out how much you would weigh if you were on one of the following planets ...>> >>

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