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6th grade chapter 3
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Term | Definition |
---|---|
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. |
1.Obsvatory |