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  From The Ground: Astronomy: From The Ground
Posted on Thursday, December 02 @ 14:13:59 CST by astronomy
 
 
  From The Ground

FROM THE GROUND

Our view of space from the ground is improving all the time as telescopes get bigger and more sophisticated, and computers provide new ways to gather and interpret astronomical data.



Visible light is radiation that the human eye can see. Compared to the total range of the electromagnetic spectrum, visible light constitutes a very narrow span. Yet much of what we know about the universe has come to us through this slim window.

The faintest star visible to the naked eye is about 6th magnitude, but binoculars and telescopes greatly extend this reach. Even a 6 inch (150 mm) scope gathers about 500 times more light than the human eye can—no wonder astronomers always want larger telescopes.

 
 
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