Univers observable (Catalan Wikipedia)

Analysis of information sources in references of the Wikipedia article "Univers observable" in Catalan language version.

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caltech.edu

spider.ipac.caltech.edu

cornell.edu

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discovery.com

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doi.org

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google.cat

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harvard.edu

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hubblesite.org

maths.org

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mit.edu

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msn.com

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nature.com

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nih.gov

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princeton.edu

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  • Gott III, J. Richard; Mario Jurić, David Schlegel, Fiona Hoyle, Michael Vogeley, Max Tegmark, Neta Bahcall, Jon Brinkmann «A Map of the Universe». The Astrophysics Journal, 624, 2005, pàg. 463. arXiv: astro-ph/0310571. Bibcode: 2005ApJ...624..463G. DOI: 10.1086/428890.
  • La distància comòbil del límit de visibilitat futura es calcula a la pàgina 8 de l'article de Gott et al. A Map of the Universe en unes 4,50 vegades el radi de Hubble, donat com a 4.220 milions de parsecs (13.76 milions d'anys llum), mentre el radi comòbil actual de l'univers observable es calcula a la pàgina 7 en unes 3,38 vegades el radi de Hubble. El nombre de galàxies en una esfera d'un radi comòbil donat és proporcional al cub del radi, per tant, la ràtio entre el nombre de galàxies observables en el límit de visibilitat futur i el nombre de galàxies observables avui en dia seria de (4.50/3.38)3 = 2.36.

sciam.com

sciencemag.org

space.com

spacetelescope.org

tufts.edu

cosmos.phy.tufts.edu

ucla.edu

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universetoday.com

web.archive.org

wolframalpha.com

yahoo.com

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