What Is a Moon?

What Is a Moon? book cover — CONTENTS Up in the Sky Moon Satellite or Planet Earth's Moon Craters and Plains IO How Earth's Moon Formed I2 Moons of Mars Jupiter and Ganymede Saturn and Titan 14 16 18 Uranus and Miranda 20 22 24 26 Neptune's Moons What About Pluto Ida and Dactyl New Moons Glossary For More Information 28 30 31 Index

What Is a Moon? — page 1 — UP IN THE SKY What do you see when you look up in the night sky With no clouds you can see many bright stars The brightest object in the night sky is not a star It is Earth's Moon Since people first walked on Earth they have studied the

What Is a Moon? — page 2 — A moon is a satellite which is an object that orbits a larger object Moons orbit planets and other A large bodies because of gravity Gravity is a force that attracts objects to the mass of other things Planets in orbit stars such as the Earth's gravity keeps the Sun but moons are Moon in orbit around our caught in the gravity home planet of planets Every planet in Earth's solar system THINK ABOUT IT except Mercury and Venus New moons are always has at least one moon that being discovered by scientists know about scientists Why do you think Mercury and Venus do not have any moons A

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