Bibliography used in the Earth in the Universe

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• Kite. (2018, July 6). Wikipedia, The Free Encyclopedia. Consultation date: 08:24, July 24, 2018 from https://es.wikipedia.org/w/index.php?title=Cometa&oldid=109122686.
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• Moon. (2018, July 30). Wikipedia, The Free Encyclopedia. Consultation date: 07:20, August 2, 2018 from https://es.wikipedia.org/w/index.php?title=Luna&oldid=109634030.
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• Pársec. (2019, May 15). Wikipedia, The Free Encyclopedia. Consultation date: 08:58, July 25, 2019 from  https://es.wikipedia.org/w/index.php?title=P%C3%A1rsec&oldid=115973023.
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• Jupiter (planet). (2018, July 26). Wikipedia, The Free Encyclopedia. Date of consultation: 09:13, July 30, 2018 from https://es.wikipedia.org/w/index.php?title=J%C3%BApiter_(planeta)&oldid=109541028.
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• Sol. (2018, July 19). Wikipedia, The Free Encyclopedia. Consultation date: 17:17, July 24, 2018 from https://es.wikipedia.org/w/index.php?title=Sol&oldid=109391442.
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• Venus (planeta). (2018, 26 de julio). Wikipedia, La enciclopedia libre. Fecha de consulta: 14:00, julio 27, 2018 desde https://es.wikipedia.org/w/index.php?title=Venus_(planeta)&oldid=109538243.
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