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MULTIPLE MIRROR TELESCOPE [1 record]
Record 1 - internal organization data 2014-10-30
Record 1, English
Record 1, Subject field(s)
- Optics
Record 1, Main entry term, English
- multiple mirror telescope
1, record 1, English, multiple%20mirror%20telescope
correct
Record 1, Abbreviations, English
- MMT 2, record 1, English, MMT
correct
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
An instrument located at the Fred Lawrence Whipple Observatory on Mount Hopkins, Arizona, at an altitude of 2,606 m (8,550 ft). It employed six mirrors, each 1.82 m (72 in.) across, working together to give the equivalent of a single mirror 4.45 m (176 in.) in aperture. In 1998, the MMT was used in a pioneering demonstration of nulling interferometry to image the dust cloud around Betelgeuse. Following this, the telescope was closed and work began to upgrade it by replacing the 6 small mirrors with a single mirror 6.5 m in diameter. 2, record 1, English, - multiple%20mirror%20telescope
Record number: 1, Textual support number: 1 OBS
The MMT kept its original name after it was converted to a single 6.5m diameter mirror on May 20, 2000. 3, record 1, English, - multiple%20mirror%20telescope
Record 1, French
Record 1, Domaine(s)
- Optique
Record 1, Main entry term, French
- télescope à miroir multiple
1, record 1, French, t%C3%A9lescope%20%C3%A0%20miroir%20multiple
correct, masculine noun
Record 1, Abbreviations, French
- T.M.M. 2, record 1, French, T%2EM%2EM%2E
masculine noun
- MMT 3, record 1, French, MMT
masculine noun
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
L'observatoire d'astrophysique Smithsonian et l'Université d'Arizona présentèrent, en 1979, un tout nouveau type de télescope: le MMT ("Multiple-Mirror Telescope", ou télescope à miroir multiple). Installé sur le mont Hopkins en Arizona, le MMT se compose de 6 miroirs de 183 cm (72"), disposés en hexagone et alignés par ordinateur. 3, record 1, French, - t%C3%A9lescope%20%C3%A0%20miroir%20multiple
Record number: 1, Textual support number: 1 OBS
Il existe d'autres types de télescopes à miroirs multiples : le télescope Keck, situé à l'observatoire du Mauna Kea, à Hawaii, aux États-Unis, est constitué de 36 petits miroirs hexagonaux de 90 cm. Le télescope spatial James Webb (JWST), dont le lancement est prévu pour 2010, sera constitué de 18 miroirs de 6.5 mètres. 4, record 1, French, - t%C3%A9lescope%20%C3%A0%20miroir%20multiple
Record 1, Spanish
Record 1, Textual support, Spanish
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