Tuesday, April 17, 2012

solar telescope

 The Jammu and Kashmir government has assured all help and co-operation to the Union Department of Science and Technology in its endeavour to set up a solar telescope, said to be the world's largest, at Merak on Pangong Tso lake in the cold desert Ladakh region.
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The McMath-Pierce Solar Telescope is the largest solar instrument in the world at present.
This is also the world's largest unobstructed aperture optical telescope, with a diameter of 1.6 meters.

Dedicated as the McMath Solar Telescope on November 2, 1962, the facility was later renamed to honor Dr. Keith Pierce as well as Dr. Robert McMath.



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The McMath-Pierce is used to study the structure of sunspots, as well as sunspot spectra.
A sunspot is a temporary cool region in the sun's photosphere.
A typical sunspot appears dark and irregularly shaped.

This image of a sunspot with exceptional detail was taken on September 9, 1990, with the McMath-Pierce Solar Telescope.The outer diameter of this sun spot measures about 14 thousand miles. Suspended over the umbra, the sunspot's darker inner core, is a rope-like light bridge.

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