Chapter 7: Solar system Flashcards

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1
Q

star

A

a huge ball of very hot gas that gives off energy

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2
Q

ellipse

A

a shape like an oval

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3
Q

satellite

A

an object that orbits another object in space

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4
Q

coment

A

a frozen mass of ice and dust with a tail up to 80 million kilometers long that is in orbit around the Sun

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5
Q

solar system

A

a system that includes the Sun and its planets, along with many moons, asteroids, and coments

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6
Q

planet

A

a large, round object that moves around a star, such as the Sun

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7
Q

asteroid

A

a rocky object up to several hundred kilometers wide that revolves around the Sun

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