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6th grade chapter 3


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