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The ESO 3.6 m Telescope is an optical reflecting telescope run by the European Southern Observatory at La Silla Observatory, Chile since 1977, with a clear aperture of about 3.6 metres (140 in) and 8.6 m 2 (93 sq ft) area.
The 3.6m Devasthal (Hindi: देवस्थल) Optical Telescope is a clear-aperture Ritchey–Chrétien telescope built by Aryabhatta Research Institute of Observational Sciences (ARIES) and is located at the Devasthal Observatory site near Nainital, Kumaon, India. [1] ARIES operates another 1.3m telescope at the same location.
The first 25 m (82 ft) of the bridge is straight, followed by three curved 25 m (82 ft) sections, then a final straight 25 m (82 ft) section. At each end of the walkway, the bridge has a 3.6m-wide triangular viewing platform that serves as resting and viewing areas for visitors. [2]
The HARPS can attain a precision of 0.97 m/s (3.5 km/h), [2] making it one of only two instruments worldwide with such accuracy. [citation needed] This is due to a design in which the target star and a reference spectrum from a thorium lamp are observed simultaneously using two identical optic fibre feeds, and to careful attention to mechanical stability: the instrument sits in a vacuum vessel ...
The URM-2 has a diameter of 3.6 m (12 ft) for the Angara A5 and other proposed variants. The Angara 1.2 will [clarification needed] fly a smaller RD-0124A-powered second stage, which may be 2.66 m (8 ft 9 in) to maintain commonality with Block I [21] or widened to 2.9 m (9 ft 6 in) to maintain a consistent diameter with URM-1. [22] [needs update]
Height above mean sea level is a measure of a location's vertical distance (height, elevation or altitude) in reference to a vertical datum based on a historic mean sea level.
The Caproni Vizzola F.6M prototype as originally built with a deep radiator under the nose. It was later removed and replaced by a ventral radiator in order to reduce aerodynamic drag . The F.6 design was the result of a project to adapt the airframe of the Italian Caproni Vizzola F.5 fighter with the German Daimler-Benz DB 605A liquid-cooled ...
(4209 ft) 1959 3 Shajn 2.6m (Crimean 102 in.) Crimean Astrophysical Obs. 102″ 260 cm 600 m (1969 ft) [21] 1961 4 Hooker Telescope Mount Wilson Obs. 100″ 254 cm 1742 m (5715 ft) 1917 5 Isaac Newton Telescope Royal Greenwich Obs. (1967-1979) 98″ 249 cm 1965 [2] 6 KPNO 2.1 m Telescope Kitt Peak National Obs. 83″ 211 cm 2,070 m 6791 ft 1964