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earth and space

lesson 1 and 2

QuestionAnswer
satellite is a body that orbits a planet
star a giant ball of hot gas, mainly composed of hydrogen and helium
comet is a cold mixture of dust and ice that gives up a long trail of light as it approaches
planet is an object that orbits the sun, is large enough to have become rounded by its own gravity
constellation is a pattern or group of stars that people imagined to represent a figure, animal or object
revolution is the movement of one object around another. revolution of earth around the sun is called a year
Created by: mark.balicki