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Astronomical unit - Wikipedia, the free encyclopedia
An astronomical unit (abbreviated as AU, au, a.u., or sometimes ua) is a unit of length roughly equal to the mean distance between the Earth and the Sun. ...
en.wikipedia.org/wiki/Astronomical_unit
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Glossary: Astronomical Unit (AU)
Definition: An Astronomical Unit is approximately the mean distance between the Earth and the Sun. It is a derived constant and used to indicate distances ...
neo.jpl.nasa.gov/glossary/au.html
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What is an Astronomical Unit (AU)?
Brief and Straightforward Guide: What is an Astronomical Unit (AU)?
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astronomical unit: Definition from Answers.com
astronomical unit n. ( Abbr. AU ) A unit of length used in measuring astronomical distances within the solar system equal to the mean distance from
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Astronomical Units | IAU
One of the most important of these is the Astronomical Unit, abbreviated AU, which is defined by the IAU as equal to the distance from the centre of the Sun ...
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The Scale of the Solar System
If the mean distance of Earth from the Sun is 1 AU ("Astronomical Unit"), then that of Venus is 0.723 AU, of Mercury 0.387 AU and that of Mars is 1.524 AU. ...
www-istp.gsfc.nasa.gov/stargaze/Sscale.htm
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Astronomical Unit
Dec 1, 2005 ... I want to learn how to calculate the astronomical unit. ... The Astronomical Unit is the average distance between the Sun and Earth. ...
imagine.gsfc.nasa.gov/docs/ask_astro/answers/98012...
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Santa Barbara Astronomical Unit
Nov 1, 2009 ... Monthly events calendar, night sky, events, newsletter, archive, photo album, classifieds, and dark sky sites.
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astronomical unit (AU) (unit of measurement) -- Britannica Online ...
Britannica online encyclopedia article on astronomical unit (AU) (unit of measurement), a unit of length effectively equal to the average, or mean, ...
www.britannica.com/EBchecked/topic/40036/astronomi...
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Astronomical system of units - Wikipedia, the free encyclopedia
The astronomical system of units, formally called the IAU (1976) System of ... The astronomical unit of time is the day, defined as 86400 seconds. ...
en.wikipedia.org/wiki/Astronomical_units_of_length
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Acronym Search - AU Astronomical Unit
AU - Astronomical Unit. An AU is the average distance between the center of the Earth and the center of the Sun, which is about 150 million kilometers, ...
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The Official Astronomical Unit Home Page
More to come!
astronomicalunit.com
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The Astronomical Unit (AU): Mercury/Sun Distance
When one employs the Mercury/Sun distance as the astronomical unit for other measurements and aspects within the solar system, very distinct patterns emerge. We ...
www.earthmatrix.com/orbital/astronomical_unit.html
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Stephen Tonkin's Website
Stephen Tonkin's Website. Search WWW Search this site. The Astronomical Unit. Astronomy Resources. Carpe Voluptam Venti. Kites and Kiting ...
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Astronomical Unit - MSN Encarta
Astronomical Unit AU, unit of distance used in the measurement of orbits and trajectories within the solar system. One AU is the average distance...
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Astronomical unit - New World Encyclopedia
The astronomical unit (abbreviated variously as AU, au, a.u. ... Solar Mass Loss, the Astronomical Unit, and the Scale of the Solar System (A ...
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TRACEvenus
Calculating the Astronomical Unit ... Calculating the Astronomical Unit During a Transit of Mercury Using Satellite Data. ... The actual value for the Astronomical Unit is 149.5 millio...
image.gsfc.nasa.gov/poetry/venus/TRACEvenus.html
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