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However, using the same technique as the Keck array to eliminate the large liquid helium dewar, a much larger telescope has been installed on the original BICEP telescope mount. BICEP3 consists of a single telescope with the same 2560 detectors (observing at 95 GHz) as the five-telescope Keck array, but a 68 cm aperture, [ 32 ] providing ...
These lenses, and the telescope's filters, are built into the camera assembly. The first lens, at 1.55 m in diameter, is the largest lens ever built, [39] and the third lens forms the vacuum window in front of the focal plane. [38] Unlike many telescopes, [40] the Rubin Observatory makes no attempt to compensate for dispersion in the atmosphere ...
A telescope on an alt-azimuth GoTo mount. Note the keypad, resting on the platform between the tripod's legs, that is the telescope's hand control. Batteries are stored in the circular compartment just above the tripod. In this picture, the compartment is just above the hand control.
Such experiments include the Python, Viper, and DASI telescopes, as well as the 390-inch (10 m) South Pole Telescope. The DASI telescope has since been decommissioned and its mount used for the Keck Array. [9] The AMANDA / IceCube experiment makes use of the two-mile (3 km)-thick ice sheet to detect neutrinos which have passed through the earth.
The ETX started out as a 90 mm (3-1/2") Maksutov Cassegrain telescope (first produced in 1996) and took advantage of high volume mass production and simplified optical and parts construction to open a new market for a cheap alternative to the very expensive Questar 3-1/2 Maksutov Cassegrain [1] [2] The ETX "line" has been expanded to 105 mm, and 125 mm Maksutov Cassegrains and achromatic ...
Image of Will Steger. Will Steger (born August 27, 1944, in Richfield, Minnesota [1]) is a prominent spokesperson for the understanding and preservation of the Arctic and has led some of the most significant feats in the field of dogsled expeditions; such as the first confirmed dogsled journey to the North Pole (without re-supply) in 1986, [2] the 1,600-mile south–north traverse of Greenland ...
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