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Hubblecast 20 Special: Technology to the rescue ( High Definition 1080P Spacetelescope org )

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Progress in telescopic astronomy would have come to a grinding halt in the second half of the twentieth century if it weren't for the digital revolution. Powerful computers have enabled a wealth of new technologies that have resulted in the construction of giant telescopes, perched on high mountaintops with monolithic or segmented mirrors as large as swimming pools. Astronomers have even devised clever ways of undoing the distorting effects of atmospheric turbulence and of combining individual telescope mirrors into virtual behemoths with unsurpassed eyesight. The optical wizardry of 21st century telescope building has ushered in a completely new era of ground-based astronomical discovery.


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All Hubble still and motion pictures are released under the Creative Commons Attribution 3.0 Unported, unless the credit byline indicates otherwise.

http://www.spacetelescope.org

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