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William Herschel's coat of arms deemed a notorious example of debased heraldry: Argent, on a mount vert a representation of the 40 ft. reflecting telescope with its apparatus proper on a chief azure the astronomical symbol of Uranus irradiated or.
El Telescopio William Herschel (WHT) cuenta con un espejo primario de 4,2 metros y es el mayor telescopio de su clase en Europa. Su versatilidad y su avanzada instrumentación, junto con la soberbia calidad del cielo del Observatorio del Roque de Los Muchachos, lo han convertido en uno de los telescopios más productivos científicamente en el ...
Le télescope William Herschel ou WHT ( William Herschel Telescope) fut imaginé à la fin des années 1960, lorsque l' observatoire anglo-australien était en cours de conception. La communauté astronomique britannique ressentit le besoin en télescopes d'une taille comparable dans l' hémisphère nord. Les études commencèrent en 1974, mais ...
14 de may. de 2009 · Herschel, at the time of launch, was the largest infrared telescope ever sent into space. It had a mirror spanning 11 feet, 6 inches (3.5 meters). It was designed to study the origin and evolution of stars and galaxies, the chemical composition of atmospheres and surfaces of solar system bodies, and molecular chemistry across the universe, to help understand the evolution of the universe.
The William Herschel Telescope (WHT) is 2,332 metres above sea level on the island of La Palma in the Canary Islands. It is owned and run by the UK, Spain and the Netherlands. WHT Control Room. Credit: ING/WHT. The WHT has a 4.2 metre primary mirror. It was built in 1987. At that time it was the third largest optical telescope in the world.
Herschel Space Observatory. The Herschel Space Observatory was a space observatory built and operated by the European Space Agency (ESA). It was active from 2009 to 2013, and was the largest infrared telescope ever launched until the launch of the James Webb Space Telescope in 2021. [5]
Herschel was launched in May 2009, with an expected to lifetime of at least three years. The end of the cryogenic phase of the Herschel mission was declared on 29 April 2013 at 15:20:01 (UTC). At this time, an increase in the temperature of the Herschel Space Observatory was confirmed by the sensors on-board the spacecraft, indicating the exhaustion of the liquid Helium in the cryostat.
