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The Tools of Astronomers

A wave carries energymirrorsbendbouncingSelect your answer from one place to another. Some waves need a(n) mediumemptyrefractioneyeglassesSelect your answer to carry the waves. For example, gasrefractionwatermediumSelect your answer waves travel through water. Light waves are different because they can travel through emptybouncingenergywaterSelect your answer space, which contains no liquid, mirrorsgasrefractionmediumSelect your answer, or solid. Light waves bouncingmediumbendeyeglassesSelect your answer as they go from one substance to another. This property is called mediumrefractionenergybouncingSelect your answer. Some telescopes and eyeglasseswatergasmirrorsSelect your answer use this characteristic of light. Another property of light is reflection, or the bendbouncinggasemptySelect your answer of waves off a surface. Reflection of light is the basis of gaseyeglassesmirrorswaterSelect your answer and some telescopes.