Terra: diferència entre les revisions

<ref name=science310_5754_1671>{{ref-publicació|autor=Kleine, Thorsten; Palme, Herbert; Mezger, Klaus; Halliday, Alex N.|article=Hf-W Chronometry of Lunar Metals and the Age and Early Differentiation of the Moon|publicació=Science|volum=310|exemplar=5754|data=24-11-2005|pàgines=1671–1674|doi=10.1126/science.1118842|pmid=16308422|bibcode = 2005Sci...310.1671K }}</ref>

 

<ref name=reilly20091022>{{ref-notícia|nom=Michael|cognom=Reilly|data= 22 octubre 2009|títol=Controversial Moon Origin Theory Rewrites History|url=http://news.discovery.com/space/moon-earth-formation.html|consulta=30 gener 2010}}</ref>

<ref name=canup_asphaug2001a>{{cite conference|author=Canup, R. M.; Asphaug, E.|title=An impact origin of the Earth-Moon system|booktitle=Abstract #U51A-02|publisher=American Geophysical Union|date=Fall Meeting 2001|bibcode=2001AGUFM.U51A..02C|accessdate=10-03-2007}}</ref>

<ref name=canup_asphaug2001b>{{ref-publicació|autor=Canup, R.; Asphaug, E.|article=Origin of the Moon in a giant impact near the end of the Earth's formation|publicació=Nature|volum=412|pàgines=708–712|any=2001|url=http://www.nature.com/nature/journal/v412/n6848/abs/412708a0.html|doi = 10.1038/35089010|pmid = 11507633|exemplar=6848|bibcode=2001Natur.412..708C}}</ref>

<ref name="watersource">{{ref-publicació|autor=Morbidelli, A.; Chambers, J.; Lunine, J. I.; Petit, J. M.; Robert, F.; Valsecchi, G. B.; Cyr, K. E.|article=Source regions and time scales for the delivery of water to Earth|publicació=Meteoritics & Planetary Science|any=2000|volum=35|exemplar=6|pàgines=1309–1320|bibcode=2000M&PS...35.1309M|doi=10.1111/j.1945-5100.2000.tb01518.x}}</ref>

<ref name=asp2002>{{cite conference|author=Guinan, E. F.; Ribas, I|editor=Benjamin Montesinos, Alvaro Gimenez and Edward F. Guinan|title=Our Changing Sun: The Role of Solar Nuclear Evolution and Magnetic Activity on Earth's Atmosphere and Climate|booktitle=ASP Conference Proceedings: The Evolving Sun and its Influence on Planetary Environments|location=San Francisco|isbn=1-58381-109-5|publisher=Astronomical Society of the Pacific|bibcode=2002ASPC..269...85G|accessdate=27-07-2009}}</ref>