Images Dated 17th February 1998
Choose from 18 pictures in our Images Dated 17th February 1998 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.
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Checking the mirror for Large Binocular Telescope
Science Photo Library
Full Range of Prints and Gifts in Stock
Black-tailed Rattlesnake showing extended tongue (Crotalus m. molossus) SW USA to Mexico
Animals Animals
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Dwarf Caimen (Paleosuchus palpebrosus) Northern South America
Animals Animals
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Malaysian Flying or Gliding Lizard (Draco volans)
Animals Animals
Full Range of Prints and Gifts in Stock
Featured 17 Feb 1998 Print
Checking the mirror for Large Binocular Telescope
LBT mirror. Researcher Roger Angel with the mirror for the Large Binocular Telescope (LBT). This 8.4- metre telescope mirror is the largest ever cast. The mirror's borosilicate glass has a honeycomb design which makes it strong but light. It was cast by a process of melting, moulding & spinning in a rotating oven. The mirror is then finely polished. Two identical mirrors will be placed on a common mount in the LBT constructed on Mount Graham in Arizona, USA. Together they will have the light-collecting power and image sharpness of a much larger single mirror. Roger Angel is director of the University of Arizona Mirror Laboratory in Tucson, USA. Photographed in 1997
© DAVID PARKER/SCIENCE PHOTO LIBRARY
