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...system that can produce a [[virtual image]] of parallel light, for example telescopes and microscopes. Afocal photographic setups work because the imaging device ==Use with optical telescopes== ...

...ions in the density of the [[electron]] and [[proton]]s that make up the [[solar wind]]. ...es in the density of the [[plasma (physics)|plasma]] associated with the [[solar wind]], which the authors called interplanetary scintillation,<ref>Hewish ( ...

...March 2018, it was the third most distant observed natural object in the [[Solar System]], after [[Eris (dwarf planet)|Eris]] and {{mpl|2014 UZ|224}}.{{efn| ...one of the faintest trans-Neptunian objects observed and only the largest telescopes in the world can observe it. Being so far from the Sun, {{mp|2015 TH|367}} ...

...ind comes from the Sun's [[Stellar corona|corona]] and is referred to as [[solar wind]]. ...unding said black hole. These features are commonly seen through [[X-ray]] telescopes such as the [[Chandra X-ray Observatory]], [[NuSTAR]], and [[NICER]]. Befor ...

...name=diameter|The diameter (in km) is calculated from [[Absolute magnitude#Solar System bodies (H)|absolute magnitude]] (H) and [[geometric albedo]] (p) acc ...its orbit—the largest orbital distance and period of any known moon in the Solar System. ...

...planet. The star has a mass of 0.54 {{solar mass}} and a radius of 0.51 {{solar radius}}. It has a temperature of 3724 [[Kelvin scale|K]] and is about 3.72 ...the upcoming [[James Webb Space Telescope]] and future large ground-based telescopes to analyze atmospheres, determine masses and infer compositions. Additional ...

...s: 43&nbsp;[[GHz]] ([[Q band]]) and 95&nbsp;GHz ([[W band]]). It used four telescopes, three of which were purpose-built 2&nbsp;m types with the other being the ...th 8&nbsp;GHz bandwidth) on 1.4&nbsp;m [[Cassegrain reflector|cassegrain]] telescopes, mounted on what was the [[Cosmic Background Imager|CBI]] platform. It star ...

==Telescopes== ...outh African [[MeerKAT]] and [[Hydrogen Epoch of Reionization Array|HERA]] telescopes) providing useful scientific information while at the same time aiding in a ...

...hromatic design of an atmospheric dispersion corrector for extremely large telescopes|year=2011|doi=10.1364/OE.19.017099|bibcode=2011OExpr..1917099B |volume=19|i ...ref>{{cite web|url=http://www.petermeadows.com/html/parallactic.html|title=Solar Observing: Parallactic Angle|last=Meadows|first=Peter|accessdate=15 Decembe ...

...name=diameter|The diameter (in km) is calculated from [[Absolute magnitude#Solar System bodies (H)|absolute magnitude]] (H) and [[geometric albedo]] (p) acc ...0240223"/> Applying the shift-and-add technique to very large [[aperture]] telescopes like Magellan enabled Sheppard to probe deeper than previous Uranian irregu ...

...cecraft)|Spitzer]]'' and ''[[Herschel Space Observatory|Herschel]]'' space telescopes showed that the dwarf planet emits more thermal radiation than expected for ...le light.{{efn|name=diameterrange|For a nominal [[absolute magnitude#Small Solar System bodies (H)|absolute magnitude]] of 7.8, a geometric albedo of 0.02 g ...

...5 while searching for Neptunian irregular moons with the 6.5-m [[Magellan Telescopes|Magellan–Baade Telescope]] at [[Las Campanas Observatory]], Chile.<ref name ...name=diameter|The diameter (in km) is calculated from [[Absolute magnitude#Solar System bodies (H)|absolute magnitude]] (H) and [[geometric albedo]] (p) acc ...

...ef name=MAST>{{cite web |title=MAST: Barbara A. Mikulski Archive for Space Telescopes |url=https://mast.stsci.edu/portal/Mashup/Clients/Mast/Portal.html |publish |radius={{Solar radius calculator|0.1422608|0.231704|type=AD|decimals=3}}<ref name="cruzale ...

* [[List of radio telescopes]] ...estern Australia|Australia|Physics|Astronomy|Stars|Spaceflight|Outer space|Solar System|Education|Science}} ...

| next_p = unknown/disintegrated<!-- Solar System is not a two-body system. The previous or the next comet return cann ...> and as of mid-October 2011 was not visible even using large ground-based telescopes.<ref name="Remanzacco2"/> ...

...eb|publisher=[[Chandra X-ray Observatory]] |website=Press Room |title=NASA Telescopes Find Clues For How Giant Black Holes Formed So Quickly |date=24 May 2016|ur ...20-07-01|title=Poniua'ena: A Luminous z = 7.5 Quasar Hosting a 1.5 Billion Solar Mass Black Hole|journal=The Astrophysical Journal Letters|volume=897|issue= ...

...| name=radius | Applying the [[Stefan–Boltzmann law]] with a nominal [[sun|solar]] [[effective temperature]] of 5,772&nbsp;[[Kelvin|K]]: ...nitude]] of around 8.7 at its maxima, making it readily visible in amateur telescopes but not to the [[naked eye]]. At its minimum brightness, it may be as faint ...

...| name=radius | Applying the [[Stefan–Boltzmann law]] with a nominal [[sun|solar]] [[effective temperature]] of 5,772&nbsp;[[Kelvin|K]]: ...name=barnbaum1996/> The star is losing mass at the rate of {{Val|1.2e−7|ul=solar mass}}·yr⁻¹, with an outflow velocity of {{val|6.9|u=km/s}}. [[T ...

...mpanion suggest that the mass of the pulsar is 2.7 <math>M_\odot</math> ([[solar mass]]es). Though there is considerable uncertainty in this estimate, the m ..., so named because they are smaller than the [[angular resolution]] of the telescopes. Some point sources detected by EGRET and ''Fermi'' were at the same locati ...

| axis_unitless = {{solar radius|35.4}}<ref name=f-g/> ...mperatureLuminosity | Applying the [[Stefan–Boltzmann law]] with a nominal solar [[effective temperature]] of 5,772&nbsp;[[Kelvin|K]]: ...