Difference between revisions 1220480 and 1229608 on enwikiversity

[[Image:Brorfelde Schmidt Telescope.jpg|thumb|right|200px|The Schmidt Telescope at the former Brorfelde Observatory is now used by amateur astronomers. Credit: [[commons:User:Moeng|Mogens Engelund]].]]
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A '''radiation telescope''' is an instrument designed to collect and focus radiation so as to make distant sources appear nearer.
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{{secondary}}
{{tertiary}}
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(contracted; show full)|location=San Francisco, California
|month=April 2,
|year=2013
|url=http://en.wiktionary.org/wiki/radiotelescopy
|pdf=
|accessdate=2013-07-21 }}</ref> is called '''radiotelescopy'''.


=Entities=⏎
⏎
=Sources=
[[Image:Horizontal cyclotron with glowing beam.jpg|thumb|center|300px|This image shows a beam of accelerated ions (perhaps protons or deuterons) escaping the accelerator and ionizing the surrounding air causing a blue glow. Credit: Lawrence Berkely National Laboratory.]]
[[Image:Synchrotron light.jpeg|thumb|right|200px|The image shows the blue glow given off by the synchrotron beam from the National Synchrotron Light Source. Credit: NSLS, Brookhaven National Laboratory.]]
The image above shows a blue glow in the surrounding air from emitted cyclotron particulate radiation.

At right is an image that shows the blue glow resulting from a beam of relativistic electrons as they slow down. This deceleration produces synchrotron light out of the beam line of the National Synchrotron Light Source.
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=Objects=

=Strong forces=

=Electromagnetics=

=Weak forces=

=Continua=

=Emissions=

=Absorptions=⏎
⏎
=Bands=
[[Image:Rosetta.jpg|thumb|right|200px|This is a 3D model of the Rosetta Spacecraft. The individual scientific payloads are highlighted in different colours. Credit: [[w:User:IanShazell|IanShazell]].]]
(contracted; show full)|year=2013
|url=https://en.wikipedia.org/wiki/Liquid_mirror_telescope
|accessdate=2014-01-03 }}</ref>

A "telescope with a liquid metal mirror can only be used [as a] zenith telescope that looks straight up".<ref name=LiquidMirrorTelescope/>
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=Rocky-object telescopes=⏎
⏎
=Hydrogen telescopes=
[[Image:Solarborg.jpg|right|thumb|200px|Here is an example of an amateur solar telescope equipped with a hydrogen-alpha filter system. Credit: .]]
"In the field of [[amateur astronomy]] ... Amateurs use ... hydrogen-alpha filter systems".<ref name=SolarTelescope>{{ cite web
|title=Solar telescope, In: ''Wikipedia''
|publisher=Wikimedia Foundation, Inc
|location=San Francisco, California
|month=December 30,
|year=2013
|url=https://en.wikipedia.org/wiki/Solar_telescope
|accessdate=2014-01-03 }}</ref>
{{clear}}

=Ions=

=Compounds=⏎
⏎
=Alloys=
[[Image:Cloudcroft Observatory.jpg|thumb|right|200px|The image shows the dome of the NASA Orbital Debris Observatory near Cloudcroft, New Mexico. Credit: NASA.]]
[[Image:CCD_Debris_Telescope.png|thumb|left|200px|This image shows the CCD Debris Telescope that is under the NODO dome. Credit: ]]
"The NASA-LMT was 3 m (9.8 ft) aperture liquid mirror telescope located in NODO's main dome. It consisted of a 3 m diameter parabolic dish that held 4 U.S. gallons (15 l) of a highly reflective liquid metal, mercury, spinning at a rate of 10 rpm, with sensors mounted above on a fixed structure. Due to the primary mirror's material, the NASA-LMT was configured as a zenith telescope. Using 20 narrowband filters, it cataloged space debris in Earth's orbit."<ref name=NASAOrbitalDebrisObservatory>{{ cite web
|title=NASA Orbital Debris Observatory, In: ''Wikipedia''
|publisher=Wikimedia Foundation, Inc
|location=San Francisco, California
|month=May 6,
|year=2013
|url=https://en.wikipedia.org/wiki/NASA_Orbital_Debris_Observatory
|accessdate=2014-01-03 }}</ref>

"The 32 cm (13 in) CCD Debris Telescope (CDT) was a portable Schmidt camera equipped with a 512×512 pixel charge-coupled device (CCD) sensor. It operated at NODO from October of 1997 until December of 2001, and was used to characterize debris at or near geosynchronous orbit."<ref name=NASAOrbitalDebrisObservatory/>
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=Atmospheres=

=Materials=⏎
⏎
=Meteorites=
[[Image:Carancas Meteorite 2.jpg|thumb|right|200px|The image contains a 27.70 g fragment of the Carancas meteorite fall. The scale cube is 1 cm<sup>3</sup>. Credit: Meteorite Recon.]]
(contracted; show full)|year=2013
|url=http://en.wikipedia.org/wiki/Large_Binocular_Telescope
|accessdate=2013-07-02 }}</ref>

"The first image taken [shown at right] combined ultraviolet and green light, and emphasizes the clumpy regions of newly formed hot stars in the spiral arms."<ref name=LargeBinocularTelescope/>
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=Chemistry=⏎
⏎
=Geography=
[[Image:VERITAS array.jpg|thumb|right|300px|VERITAS is located at the basecamp of the Smithsonian Astrophysics Observatory's Fred Lawrence Whipple Observatory (FLWO) in southern Arizona. Credit: VERITAS.]]
[[Image:Aerial View of the VLTI with Tunnels Superimposed.jpg|200px|thumb|left|The four Unit Telescopes form the VLT together with the Auxiliary Telescopes. Credit: .]]
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=History=
[[File:TransitCircle USNO.jpg|thumb|right|200px|This is the 6-inch transit circle of the U.S. Naval Observatory. Credit: .]]
The 6-inch transit circle [imaged at right] of the U.S. Naval Observatory was built by Warner and Swasey in 1898.
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=Mathematics=

=Physics=

=Science=

=Technology=⏎
⏎
=Apertures=

"Some X-ray telescopes use coded aperture imaging. This technique uses a flat aperture grille in front of the detector, which weighs much less than any kind of focusing X-ray lens, but requires considerably more post-processing to produce an image."<ref name=XRayTelescope>{{ cite web
|title=X-ray telescope, In: ''Wikipedia''
|publisher=Wikimedia Foundation, Inc
|location=San Francisco, California
|month=April 17,
|year=2012
(contracted; show full)* [[Radiation detectors]]
* [[Radiation satellites]]
{{Div col end}}

=References=
{{reflist|2}}


=Further reading=⏎
⏎
=External links=
* [http://www.ajol.info/ African Journals Online]
* [http://www.bing.com/search?q=&go=&qs=n&sk=&sc=8-15&qb=1&FORM=AXRE Bing Advanced search]
* [http://books.google.com/ Google Books]
* [http://scholar.google.com/advanced_scholar_search?hl=en&lr= Google scholar Advanced Scholar Search]
* [http://www.iau.org/ International Astronomical Union]
* [http://www.jstor.org/ JSTOR]
* [http://www.lycos.com/ Lycos search]
(contracted; show full)* [http://search.yahoo.com/web/advanced Yahoo Advanced Web Search]

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