sexta-feira, 2 de dezembro de 2016

Estamos sozinhos no Universo?


Microlensing Observations in Astrophysics (MOA) Collaboration, and Optical Gravitational Lensing Experiment (OGLE) Collaboration. "Unbound or distant planetary mass population detected by gravitational microlensing." Nature 473, no. 7347 (2011): 349-352. Petigura, Erik A., Andrew W. Howard, and Geoffrey W. Marcy. "Prevalence of Earth-size planets orbiting Sun-like stars." Proceedings of the National Academy of Sciences 110, no. 48 (2013): 19273-19278. Lineweaver, Charles H., Yeshe Fenner, and Brad K. Gibson. "The galactic habitable zone and the age distribution of complex life in the Milky Way." Science 303, no. 5654 (2004): 59-62. Behroozi, Peter, and Molly S. Peeples. "On the history and future of cosmic planet formation." Monthly Notices of the Royal Astronomical Society 454, no. 2 (2015): 1811-1817. Hart, Michael H. "Explanation for the absence of extraterrestrials on earth." Quarterly Journal of the Royal Astronomical Society 16 (1975): 128.

aliens do passado: 
universo capa: 
aliens capa: 
et poster: 
via lactea: 
universo visivel: 
ceu de sao paulo: 
comunicador star trek: 
star wars starkiller: 
o dia em que a terra parou: 
alien egg: 
jar jar binks: 
independance day: 
bomba atomica: 

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