How Does ‘Gravity’ Work in Space vs. on Earth?

Imagine you're holding a ball, that's how gravity works on Earth, pulling everything down toward the ground like a magnet. But if you're floating in space, far away from any big planet or star, there's almost no pull at all, and things just float around like bubbles in water. That’s why astronauts don’t fall, they’re weightless!

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Examples

A ball thrown up falls back down because gravity pulls it, like a magic rope.
An astronaut floating in space feels no pull, just like bubbles in water.
On Earth, you're stuck to the floor; in space, you're dancing with your spaceship.

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Categories: Physics · gravity,space,earth,astronauts,physics basics