Download A Visitor's Guide to the Kitt Peak Observatories by Leslie Sage PDF

By Leslie Sage

ISBN-10: 052100652X

ISBN-13: 9780521006521

This consultant offers a finished travel of the recognized Kitt top telescopes and an advent to the $64000 examine finished with them. For greater than forty five years, astronomers have used the telescopes at Kitt top nationwide Observatories (KPNO) to make many striking discoveries concerning the Universe. KPNO helps the main assorted number of astronomical observatories in the world for evening optical and infrared astronomy and sunlight hours learn of the sunlight. it really is presently the main visited astronomical observatory web site on the planet, together with over 50,000 viewers a yr from all 50 states and over fifty one international locations. With over twenty optical and radio telescopes, the positioning finds to viewers sleek astronomy's nice variety. Leslie Sage is a Senior Editor at Nature journal and examine affiliate, division of Astronomy, college of Maryland. ^lGail Aschenbrener is a Public Affairs Officer, USDA wooded area provider

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Extra info for A Visitor's Guide to the Kitt Peak Observatories

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Some of the animals that move up and down Kitt Peak are large cats. Mountain lions, also called puma, cougar, and catamount, are rarely seen by people. They are identified by their yellowish to tawny color (no spots), and long tail with black tip. Mountain lions are solitary and territorial, but, unlike most cats, they can be active during the daytime in undisturbed surroundings. Although most prefer deer as a food source, the cats will eat also coyotes, mice, raccoons, birds, and grasshoppers.

This helps to ensure that the telescope and observatory floor are at the same temperature as the surrounding air, which improves the seeing. 5 ЊF) of the ambient air. If you get a chance to look at the back of the cell holding the primary mirror, you will see many steel pipes. These pipes take ordinary automobile automatic transmission fluid to 66 actuators that control the shape of the mirror to keep it as perfect as possible. As the telescope moves to different positions, gravity and the TELESCOPES AND VISTAS/INTEREST POINTS 35 clamps that hold the mirror cause it to deform slightly.

It discovered the first optical gravitationally lensed quasar; the light from a distant quasar was refracted around a galaxy on its way to Earth, and made two images of the quasar. This was detected when it was discovered that the quasars had absolutely identical spectra, which is incredibly unlikely under any other circumstance. The telescope also found the first indications of clumps of gas between galaxies. It was at the time suggested that these might be galaxies that had not yet formed; their true nature remains somewhat mysterious.

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