Artificial intelligent assistant

Herschelian

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Herschelian
Herschelian, a. (n.) (həˈʃɛlɪən) [f. proper name Herschel + -ian.] Of or pertaining to the astronomer Sir William Herschel (1738–1822), or his son Sir John Herschel (1792–1871). Herschelian (telescope), a form of reflecting telescope having a concave mirror slightly inclined to the axis. Herschelian... Oxford English Dictionary
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Herschel
Herschel Astron. (ˈhɜːʃəl) 1. A name proposed (and to some extent used) for the planet now called Uranus, after its discoverer, Sir William Herschel in 1781.1819 Pantologia, Herschel, the name by which several astronomers call the primary planet discovered by Dr. Herschell in March 1781. 1878 Newcom... Oxford English Dictionary
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Friedrich von Hahn
His herschelian telescope was acquired in 1812 by the Neapolitan astronomer, Federigo Zuccari, for the new Capodimonte Observatory. wikipedia.org
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Amasa Holcomb
These were, Herschelian reflector long with an eight-inch (203 mm) aperture that had been displayed in 1835 at The Franklin Institute. wikipedia.org
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Morelos Satellite System
The spacecraft is designed to provide L-band services to mobile 3G+ users and armed forces via a deployable 22m Herschelian antenna dish with RF transceivers wikipedia.org
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Mikhail Lomonosov
However, this invention was not published until 1827, so this type of telescope has become associated with a similar design by William Herschel, the Herschelian wikipedia.org
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Diffraction spike
Early off-axis designs such as the Herschelian and the Schiefspiegler telescopes have serious limitations such as astigmatism and long focal ratios, which wikipedia.org
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40-foot telescope
This design has come to be called a Herschelian telescope. wikipedia.org
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Reflecting telescope
Herschelian The Herschelian reflector is named after William Herschel, who used this design to build very large telescopes including the 40-foot telescope In the Herschelian reflector the primary mirror is tilted so the observer's head does not block the incoming light. wikipedia.org
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Meanings of minor planet names: 45001–46000
|| Amasa Holcomb (1787–1875) was a self taught American astronomer and optician who fabricated surveying instruments and astronomical telescopes of Herschelian wikipedia.org
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History of the telescope
This innovation was not published until 1827, so this type came to be called the Herschelian telescope after a similar design by William Herschel. This design has come to be called the Herschelian telescope. wikipedia.org
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