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Chapter 17 Earth in Space Vocabulary. Solar system the Sun and all the bodies that orbit it.

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Presentation on theme: "Chapter 17 Earth in Space Vocabulary. Solar system the Sun and all the bodies that orbit it."— Presentation transcript:

1 Chapter 17 Earth in Space Vocabulary

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3 Solar system the Sun and all the bodies that orbit it

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5 revolution one full orbit of an object around another object

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7 axis an imaginary center line around which the earth rotates

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9 rotation one whole spin of an object on its axis

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11 space probe a spacecraft that gathers data without a crew

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13 comet a frozen mass of ice and dust orbiting the Sun

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15 asteroid a rocky mass up to several hundred kilometers wide that revolves around the Sun

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17 satellite an object in orbit around another object

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19 Moon phase An indication of the fraction of the Moon that is illuminated as seen from Earth


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