Estamos sozinhos no Universo?

Estamos sozinhos no Universo?
No Canal Nerdologia nós vamos ver quais as chances de vida inteligente ao nosso redor e porque ainda não ligaram de volta.

FONTES
– Five Billion Years of Solitude, por Lee Billings: https://goo.gl/1Gcs5o
– 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.

Canal Nerdologia
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