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Novae and Supernovae
[ Novae and Supernovae ]

·Astronomy: Novae and Supernovae - SUPERNOVAE
·Astronomy: Novae and Supernovae - NOVAE
·Astronomy: Novae and Supernovae - Explotion-SEARCHING FOR EXPLOSIONS
·Astronomy: Novae and Supernovae
 

 
 
Astronomy & Telescope Astronomy: From The Ground

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  From The Ground From The Ground: Astronomy: From The Ground - SPECTROSCOPY

SPECTROSCOPY

Telescopes and CCDs may gather and record starlight, but only a spectrograph can extract its secrets. A spectrograph separates white light into its component wavelengths— a spectrum—crossed by numerous dark and bright spectral lines.

 
 
  Posted by astronomy on Thursday, December 02 @ 14:17:39 CST (7 reads)
(Read More... | 2122 bytes more | comments? | From The Ground | Score: 0)
 

 
  From The Ground From The Ground: Astronomy: From The Ground - Color Image-TRUE AND FALSE COLOR IMAGES

TRUE AND FALSE COLOR IMAGES

The beautiful photographs of nebulas, galaxies, and star clusters that appear in astronomy books and magazines often exhibit a riot of color: hot pinks, lime greens, deep reds, and neon blues.

 
 
  Posted by astronomy on Thursday, December 02 @ 14:16:47 CST (7 reads)
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  From The Ground From The Ground: Astronomy: From The Ground - CCD-CCD TECHNOLOGY

CCD TECHNOLOGY

In the 1970s, a light-sensitive electronic charge-coupled device, known as the CCD, increased the telescope's light-gathering capability a hundredfold and revolutionized astronomical imaging.

 
 
  Posted by astronomy on Thursday, December 02 @ 14:15:55 CST (7 reads)
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  From The Ground From The Ground: Astronomy: From The Ground - BIGGER AND BETTER

BIGGER AND BETTER

One of the first giant telescopes was built in 1845, by William Parsons on his Irish estate. Its mirror spanned 72 inches (1.8 m), and until 1908, it was the largest telescope in the world. In 1917, the 100 inch (2.5 m) Hooker Telescope was built by American astronomer George Hale on Mount Wilson, California. Hale started work on an even bigger telescope, but died before it was finished in 1948.

 
 
  Posted by astronomy on Thursday, December 02 @ 14:14:51 CST (7 reads)
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  From The Ground From The Ground: 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.

 
 
  Posted by astronomy on Thursday, December 02 @ 14:13:59 CST (7 reads)
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