fundamental distance measurements in astronomy come from trigonometric parallax, as applied in the stellar parallax method. As the Earth orbits the Sun...
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as a basis for other distance measurements in astronomy forming the higher rungs of the ladder. Parallax also affects optical instruments such as rifle...
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astronomical unit (AU). Stellar parallax is so difficult to detect that its existence was the subject of much debate in astronomy for hundreds of years. Thomas...
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Parsec (redirect from Parallax of one arc second)
word parsec is a portmanteau of "parallax of one second" and was coined by the British astronomer Herbert Hall Turner in 1913 to simplify astronomers' calculations...
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important step on the cosmic distance ladder. Parallax in astronomy Photometric parallax method Dynamical parallax Distance modulus Carroll, Bradley W.; Ostlie...
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Astronomy is a natural science that studies celestial objects and the phenomena that occur in the cosmos. It uses mathematics, physics, and chemistry...
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can be achieved. Parallax in astronomy Photometric parallax method Spectroscopic parallax Patrick Moore (2002). Philip's Astronomy Encyclopedia (revised...
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Astronomical unit (redirect from AU (astronomy))
a solar parallax of 8.6″. Although Huygens' estimate is remarkably close to modern values, it is often discounted by historians of astronomy because of...
53 KB (5,372 words) - 07:18, 14 August 2024
Polaris (redirect from Taiyi (Chinese astronomy))
1023/A:1005081918325. S2CID 189785021. Van Leeuwen, F. (2013). "The HIPPARCOS parallax for Polaris". Astronomy & Astrophysics. 550: L3. arXiv:1301.0890. Bibcode:2013A&A....
50 KB (4,838 words) - 18:08, 21 August 2024
Astronomy is the oldest of the natural sciences, dating back to antiquity, with its origins in the religious, mythological, cosmological, calendrical,...
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Cosmic distance ladder (redirect from Distance (astronomy))
distance measurements in astronomy come from trigonometric parallax, as applied in the stellar parallax method. As the Earth orbits the Sun, the position of...
54 KB (7,874 words) - 16:30, 21 August 2024
limited accuracy for individual measurements. Parallax in astronomy Spectroscopic parallax Dynamical parallax Mario Juric; et al. (2008). "The Milky Way...
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Geocentric model (redirect from Ptolemaic astronomy)
In astronomy, the geocentric model (also known as geocentrism, often exemplified specifically by the Ptolemaic system) is a superseded description of the...
75 KB (8,814 words) - 19:42, 21 August 2024
In astronomy, aberration (also referred to as astronomical aberration, stellar aberration, or velocity aberration) is a phenomenon where celestial objects...
60 KB (8,016 words) - 18:41, 21 May 2024
Vega (redirect from Vega (astronomy))
First Parallax Measurements". Astroprof. Retrieved November 12, 2007. Perryman, M. A. C.; et al. (1997). "The Hipparcos Catalogue". Astronomy and Astrophysics...
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Ancient Greek astronomy is the astronomy written in the Greek language during classical antiquity. Greek astronomy is understood to include the Ancient...
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Moving-cluster method (redirect from Moving cluster parallax)
2M1207b using the moving-cluster method. Astrometry Parallax Parallax in astronomy Stellar parallax Cepheid Stars RR Lyrae Variable Stars Mamajek (2005)...
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Lunar distance (redirect from Lunar distance (astronomy))
Lunar Parallax: Estimating the Moon's Distance". Retrieved 29 February 2016. Wolfram Alpha widget – Current Moon Earth distance Portals: Astronomy Stars...
40 KB (4,225 words) - 01:45, 17 August 2024
Epoch Equinox Halley, Edmond History of Astronomy Jyotish Kepler's laws of planetary motion Occultation Parallax Retrograde and prograde motion Sidereal...
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Alpha Centauri (category Astronomical objects discovered in 1689)
Short History of Astronomy. Creative Media Partners, LLC. pp. 357–358. ISBN 978-1-376-81951-9. Henderson, H. (1839). "On the parallax of α Centauri". Monthly...
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of 3,550 K. Direct measurements of the parallax of UY Scuti published in the Gaia Data Release 2 give a parallax of 0.6433±0.1059 mas, implying a closer...
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James Bradley (category Savilian Professors of Astronomy)
Astronomer Royal from 1742. He is best known for two fundamental discoveries in astronomy, the aberration of light (1725–1728), and the nutation of the Earth's...
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Pleiades (redirect from Pleiades (astronomy))
dissenting evidence. In 2012, Francis and Anderson proposed that a systematic effect on Hipparcos parallax errors for stars in clusters would bias calculation...
48 KB (5,257 words) - 11:44, 20 August 2024
Sirius (redirect from Sirius in fiction)
Cape (no sensible parallax); by Bessel (no sensible parallax). Scottish astronomer Thomas Henderson used his observations made in 1832–1833 and South...
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of this parallax, the distance of the Moon as measured in Earth radii can be determined. For the Sun however, there was no observable parallax (we now...
83 KB (10,063 words) - 18:23, 21 August 2024
Solar mass (category Units of measurement in astronomy)
The solar mass (M☉) is a standard unit of mass in astronomy, equal to approximately 2×1030 kg. It is approximately equal to the mass of the Sun. It is...
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List of nearest stars (category Lists of superlatives in astronomy)
parallax. Brown, A. G. A.; et al. (Gaia collaboration) (2021). "Gaia Early Data Release 3: Summary of the contents and survey properties". Astronomy &...
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Samuel Rowbotham (redirect from Parallax (pseudoscientist))
1884, in London) was an English inventor, writer and utopian socialist who wrote Zetetic Astronomy: Earth Not a Globe under the pseudonym Parallax. His...
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starspots and coronal loops. stellar parallax stellar remnant submillimetre astronomy The subfield of astronomy that studies astronomical objects detectable...
161 KB (18,470 words) - 00:58, 21 August 2024
Tycho Brahe (redirect from Tycho's observational astronomy)
not sufficiently steady. His unprecedented research program both turned astronomy into the first modern science and also helped launch the Scientific Revolution...
98 KB (12,518 words) - 10:30, 15 August 2024