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Astronomical system of units
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== External links == * [http://www.iau.org/public_press/themes/measuring/ The IAU and astronomical units] * "[http://asa.usno.navy.mil/static/files/2014/Astronomical_Constants_2014.pdf 2014 Selected Astronomical Constants] {{Webarchive|url=https://web.archive.org/web/20131110215339/http://asa.usno.navy.mil/static/files/2014/Astronomical_Constants_2014.pdf |date=2013-11-10 }}" in {{citation | title = The Astronomical Almanac Online | url = http://asa.usno.navy.mil/ | publisher = [[United States Naval Observatory|USNO]]β[[United Kingdom Hydrographic Office|UKHO]] | access-date = 2009-05-05 | archive-date = 2016-12-24 | archive-url = https://web.archive.org/web/20161224174302/http://asa.usno.navy.mil/static/files/2016/Astronomical_Constants_2016.pdf | url-status = dead }}. {{Units of length used in Astronomy}} {{Systems of measurement}} {{Portal bar|Mathematics|Astronomy|Stars|Spaceflight|Outer space|Solar System|Science}} {{Authority control}} [[Category:Units of measurement in astronomy|*]] [[Category:Systems of units]]
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