Día (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Día" in Spanish language version.

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archive.org

archive.today

bipm.org

cseligman.com

  • Certain authors caution against identifying "day" with rotation period. For example: Courtney Seligman. «Rotation Period and Day Length». Consultado el 3 de junio de 2011. «A Cautionary Note: Because the rotation period of the Earth is almost the same as the length of its day, we sometimes get a bit sloppy in discussing the rotation of the sky, and say that the stars rotate around us once each day. In a similar way, it is not unusual for careless people to mix up the rotation period of a planet with the length of its day, or vice versa.» 

dechile.net

etimologias.dechile.net

doi.org

dx.doi.org

google.cat

books.google.cat

harvard.edu

articles.adsabs.harvard.edu

adsabs.harvard.edu

juridicas.com

noticias.juridicas.com

  • Ley 30/1992 de Régimen Jurídico de las Administraciones Públicas y del Procedimiento Administrativo Común, de 26 de noviembre: Enlace externo

merriam-webster.com

nasa.gov

solarsystem.nasa.gov

nssdc.gsfc.nasa.gov

usno.navy.mil

nist.gov

physics.nist.gov

obspm.fr

hpiers.obspm.fr

  • The average over the last 50 years is about 86,400.002. The yearly average over that period has ranged between about 86,400 and 86,400.003, while the length of individual days has varied between about 86,399.999 and 86,400.004 seconds. See this graph:
    (data from «Earth Orientation Parameters». International Earth Rotation and Reference Systems Service. Archivado desde el original el 26 de abril de 2015. ).

oxforddictionaries.com

en.oxforddictionaries.com

sagepub.com

journals.sagepub.com

space.com

thecanadianencyclopedia.com

thefreedictionary.com

  • «day» – via The Free Dictionary. 

theverge.com

un.org

web.archive.org

wolfram.com

scienceworld.wolfram.com

  • Weisstein, Eric W. (2007). «Day». Consultado el 31 de mayo de 2011. «The day is (roughly) defined as the time required for the Earth to complete a rotation.» 
  • Weisstein, Eric W. (2007). «Solar Day». Consultado el 31 de mayo de 2011.