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Chapter 3 Vocabulary

Across
A solid rocky and or metal body that orbits the Earth
A piece of rock that burns up and has a glowing streak passing in the sky
Any object that is outside the earth’s atmosphere
An object with gravity so strong that nothing can escape, not even light
Everything that exists, all of space, matter, and energy
Down
An icy object that orbits the sun
A collection of billions of stars and gas and dust held together by gravity
A large ball of gas held together by gravity and produces tremendous amounts of energy and shines
Brightness of a star
How stars produce their energy
This theory states that all matter and energy started out in a small area and after a huge explosion, matter began to form atoms