coelostat


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  • noun

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optical device used to follow the path of a celestial body and reflect its light into a telescope

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References in periodicals archive ?
The authority intends by way of open tender procedure in accordance with A* 3EG Section 1 VOL / A, the supply and installation of a two-mirror coelostat for which a tube is installed on site already, with protective dome, control and partially evacuated beam guidance and beam deflection (in 2 options ) mandate.
A coelostat is an instrument used in which branch of science?
A coelostat is an instrument used in which Quiz of the Day ANSWERS: 1 Alfred Hitchcock; 2 Codling; 3 It has a changeable lustre; 4 The score above which the number of competitors is reduced; 5 The Minnesota Mining and Manufacturing Company; 6 Sergeant Bilko; 7 Damon Runyon; 8 Astronomy; 9 David Arquette; 10 Alice Springs.
I came to believe the universe is a critical part of the environment, as much as some people would accept clouds," he said, before walking down the circular stairs beneath the 74-year-old coelostat.
5-inch telescope installed at Union Observatory (1925) 90 Brukkaros Solar Observatory (Karas region, Namibia) established (1925) 90 Edwin Hubble shows that the Andromeda Nebula (Messier 31) is an independent galaxy (1925) 60 45-cm Cox-Hargreaves telescope installed at Cape Observatory (1955) 50 Penzias and Wilson discover cosmic microwave background (1965) 50 First space walk, by Alexei Leonov aboard Voskhod 2 (1965) 40 First observations with Very Large Array (Soccoro, USA) (1975) 30 20-cm coelostat installed at Boyden Observatory (1985) 25 Hubble Space Telescope launched (1990) 20 Galileo spacecraft visits Jupiter (1995) 10 Southern African Large Telescope (SALT) opened (2005) Key: y.