Imagine life without gravity on Earth

We know earth has gravity which helps pull everything towards its center and that’s why we can’t float in the sky. Just think when you jump up, you come on the ground instantly instead of floating off in air. It is just because of earth’s gravity which is completely invisible. It pulls everything towards its center and keeps them on the ground. 

Image credit Artist's impression of the effect Earth's gravity

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Every object has gravity but it depends on their mass. That means an object will have more gravity if it has more mass. Accordingly objects with less mass have less gravity. Increasing or decreasing in distance between two objects influences their gravitational pull. If two objects are located at close to each other, the gravitational pull between them will be more powerful. If distance increases between them, gravitational pull will reduce.  

I have already mentioned that the strength of gravitational pull of any object depends on its mass. Earth mass is larger than your body and so its gravitational pull is stronger than that of your body and thus you would weigh on earth. 

Earth without gravity

Now just imagine earth without gravity. You can float or fly into space as same as astronomers inside International Space Station. They have experience, but we don’t have any experience of living in gravity less planet. You can move on wall and jump from high altitude as there is no gravity. And doing so, you will not hit the ground. 

Until now you thought about only advantages, planet without gravity may have some drawbacks. It may lose its atmosphere in absence of gravity, which may result in lack of oxygen and air-pressure on the planet. No one can live without oxygen and air pressure. Now you can decide what you want, planet without gravity or with gravity.  

Source: https://spaceplace.nasa.gov/what-is-gravity/en/

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