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Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
1.Constellation   A pattern of stars in the sky.  
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1.Specteopraph   An instrument that seprates light into colors and photographs the resulting spectrum.  
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1.Electromagnitic-Radiation   Energy that travels through space in the form of waves.  
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1.Wave-ength   The length between a wave to the next.  
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1.Spectrum   The range of wave-lengths of electomagnetic waves.  
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1.Refracting Teliscope   A tel uses convex lens to gather and focas light.  
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1.Convex Lens   A peice of trasparent glass curved so that the middle is thicker than the edges.  
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1.Reflecting Teliscope   A teliscope that uses one or more mirrors to gather light.  
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1.Radio Teliscope   A device used to detect radio waves from objects in space.  
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1.Visable Light   Electromagn the radiationn that can be seen with the naked eye.  
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1.Obsvatory    
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