Ano (astronomía): Diferenzas entre revisións

{{citeCita booklibro |title=Astronomical Almanac for the year 2011 |location=Washington |publisher=U.S. Government Printing Office |author=U.S. Naval Observatory Nautical Almanac Office and Her Majesty's Nautical Almanac Office |year=2010 |pages=C2, L8}}</ref><ref>{{cite journal |title = Numerical expressions for precession formulae and mean elements for the Moon and planets |journal=Astronomy and Astrophysics |volume=282 |issue=2 |pages=663&ndash;683 |date=February 1994 |last1=Simon |first1=J.L.

|last2=Bretagnon |first2=P. |last3=Chapront |first3=J. |last4=Chapront-Touzé |first4=M. |last5=Francou |first5=G. |last6=Laskar | first6=J. |bibcode=1994A&A...282..663S}}</ref><ref>{{citeCita booklibro |last1=Taff |first1=Lawrence G. |title=Celestial Mechanics: A Computational Guide for the Practitioner |year=1985 |isbn=0-471-89316-1 |place=New York |publisher=John Wiley & Sons |page=103}}</ref><ref>{{CiteCita booklibro | edition = 3 | publisher = Univ Science Books | isbn =1-891389-85-8 | last = Seidelmann | first = P. Kenneth | others = Sean E. Urban (ed.) | title = Explanatory Supplement to the Astronomical Almanac | year = 2013 | page = 587}}</ref>

* {{CiteCita booklibro

* {{CiteCita booklibro