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|  | | | | Gravity | | "If you throw a ball into the air, it will return to the ground. Why? The Earth has an invisible pulling power called gravity. In fact, our planet isn't the only place with gravity. Every object in the universe - starts, planets, moons, even you - has gravity. Gravity is a force of attraction between all objects. Some things have alot of gravity, some have just a little" (American Museum of Natural History).
Visit these sites to learn more about gravity and the effects of micro-gravity.
American Museum of Natural History - Ology: Our Place in Space : This site takes you on an exploration of space. It explains and gives examples of gravity, introduces Isaac Newton and points out that he recognized the force that keeps the moon in orbit is the same force that
pulls a ball to Earth...
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