chapter 17 vocab Word Scramble
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Term | Definition |
solar system | the Sun and all the bodies that orbit it |
revolution | one full orbit of an object around another object |
axis | an imaginary center line around which the Earth roatates |
rotation | one whole spin of an object on its axis |
space probe | a spacecraft that gathers data without a crew |
comet | a frozen mass of ice and dust orbiting the Sun |
asteroid | a rocky mass up to several hundred kilometers wide that revoluves around the Sun |
satellite | an object in orbit around another object |
moon phase | an indication of the fraction of the Moon that is illuminated as seen from Earth |
Created by:
bgagnon
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