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Cluster and Nebula
[ Cluster and Nebula ]

·Astronomy: Cluster and Nebula - THE STUFF OF STARS
·Astronomy: Cluster and Nebula - Observing-OPEN OBSERVING
·Astronomy: Cluster and Nebula - Nebula-OBSERVING NEBULAS
·Astronomy: Cluster and Nebula - CITIES OF STARS
·Astronomy: Cluster and Nebula
 

 
 
Astronomy & Telescope Astronomy: Window of Universe

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  Window of Universe Window of Universe: Astronomy: Window of Universe - RADIO SIGNALS

RADIO SIGNALS

Longer-wavelength radio radiation reveals the processes occurring in gaseous nebulas, pulsars (spinning neutron stars), supernova remnants, and the active cores of distant galaxies. A radio telescope consists of an antenna, or antenna-array, connected to a receiver.

 
 
  Posted by astronomy on Saturday, December 11 @ 01:49:06 CST (18 reads)
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  Window of Universe Window of Universe: Astronomy: Window of Universe - MILLIMETER WAVES

MILLIMETER WAVES

Millimeter and submillimeter telescopes address wavelengths corresponding to the lower temperatures. Optical lenses and mirrors are replaced with radio "mirrors"—radio dishes and receivers specifically tuned to receive short-wavelength radio signals.

 
 
  Posted by astronomy on Saturday, December 11 @ 01:48:01 CST (17 reads)
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  Window of Universe Window of Universe: Astronomy: Window of Universe - THE LOW END

THE LOW END

The low-frequency, low-energy part of the spectrum is the domain of infrared, millimeter, and radio radiation.

 
 
  Posted by astronomy on Saturday, December 11 @ 01:46:52 CST (16 reads)
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  Window of Universe Window of Universe: Astronomy: Window of Universe - Karl Jansky-KARL JANSKY'S STATIC FROM SPACE

KARL JANSKY'S STATIC FROM SPACE

In 1928, just a year after graduating from the University of Wisconsin, radio engineer Karl jansky (1905-50) accepted a job with Bell Telephone Laboratories. One of his first assignments was to track down the source of static that interfered with radio reception and ship-to-shore communications.

 
 
  Posted by astronomy on Saturday, December 11 @ 01:46:01 CST (17 reads)
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  Window of Universe Window of Universe: Astronomy: Window of Universe - THE HIGH END

THE HIGH END

At the high-frequency, high-energy end of the spectrum, ultraviolet, X-ray, and gamma-ray radiation unveil the physical and chemical properties of objects that are incredibly hot and energetic.

 
 
  Posted by astronomy on Saturday, December 11 @ 01:44:42 CST (15 reads)
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  Window of Universe Window of Universe: Astronomy: Window of Universe - OTHER WINDOWS ON THE UNIVERSE

OTHER WINDOWS ON THE UNIVERSE

There is a wealth of information about the physical universe that lies beyond the realm of visible light.

 
 
  Posted by astronomy on Saturday, December 11 @ 01:43:54 CST (17 reads)
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