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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. |