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Light
after the stars
| Term | Definition |
|---|---|
| luminosity | also know as absolute brightness. The brightness of the star IF it were 33 light years (10 parsecs) away. |
| apparent magnitude | also know as brightness. How bright a star is seen from Earth. |
| Electromagnetic Wave | consist of an electric field and a magnetic field carrying energy. |
| Light | an electromagnetic wave. |
| Hertz | the unit for the number of vibrations that pass per second. |
| white light | All visible light colors combined. |
| Darkness | the absence of light. |
| Sunlight | Consists of multiple frequencies of radiation, Infrared, Visible and Ultraviolet. |