Your age and weight change on the different planets of our solar system.

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Calculate your age on other planets

Click here to calculate your age on other planets

Why do we have different ages on different planets? Or better said what is a day or what is a year?

A day is defined according to the planet rotation on its axis (24 hours for Earth). The planet rotation rates depend on the spin of the primordial material of the planets. Giant Jupiter has lots of spin, turning once on its axis every 10 hours, while Venus takes 243 days to spin once.

The revolution of the earth around the sun is how we define the year. A year is the time it takes the earth to make one revolution – a little over 365 days. Planets turn at different rates around the sun as shown in the following

Calculate your weight on other planets

Click here to calculate your weight on other planets

“Mass” and “weight” represent for an astronomer or a physicist completely different things. The mass of a body is a measure of how much matter it contains or in other words of how much inertia an object displays.

Weight is totally different! Every object in the universe with mass attracts every other object with mass. The amount of attraction depends on the size of the masses and how far apart they are. This force of attraction between you and the Earth (or any other planet) is called your weight. The best human example is a scale. Scales measure the force of attraction between you and the Earth.

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