Aliens: Are We Looking in the Wrong Place?

Big Alien Theory explanation website - http://www.thebigalientheory.com/ Thanks to everyone who supports MinutePhysics on Patreon! http://www.patreon.com/minutephysics Link to Patreon supporters here: http://www.minutephysics.com/supporters.html Music by Nathaniel Schroeder, http://www.soundcloud.com/drschroeder REFERENCES: Big Alien Theory explanation website - http://www.thebigalientheory.com/#size Size of Planets research paper - http://arxiv.org/abs/1503.07804 Development of intelligent life paper - http://arxiv.org/abs/1601.05063 Stars in the universe – http://www.skyandtelescope.com/astronomy-resources/how-many-stars-are-there/ Stars in the universe - http://www.universetoday.com/102630/how-many-stars-are-there-in-the-universe/ Marginal distributions - https://en.wikipedia.org/wiki/Marginal_distribution Bayesian Statistics Parameter Inference - https://ned.ipac.caltech.edu/level5/Sept13/Trotta/Trotta3.html Conditional expectation - https://en.wikipedia.org/wiki/Conditional_expectation Common Blood types - http://www.redcrossblood.org/learn-about-blood/blood-types World population data - http://esa.un.org/unpd/wpp/Download/Standard/Population/ US State population data - http://www.ipl.org/div/stateknow/popchart.html MN county population data - http://www.minnesota-demographics.com/counties_by_population Premier league popularity - https://fivethirtyeight.com/datalab/the-distribution-of-fandom-in-pro-leagues/ number of fans of Man U - http://www.bbc.com/news/magazine-21478857 List of World Religions - https://en.wikipedia.org/wiki/List_of_religions_and_spiritual_traditions “Other” religions - http://www.pewforum.org/2012/12/18/global-religious-landscape-other/ Old Trafford Stadium: https://www.google.com/maps/place/Old+Trafford/@53.4549966,-2.2923541,435a,20y,5.26h,63.86t/data=!3m1!1e3!4m2!3m1!1s0x487bae72e7e47f69:0x6c930e96df4455fe!6m1!1e1 MinutePhysics is on Google+ - http://bit.ly/qzEwc6 And facebook - http://facebook.com/minutephysics And twitter - @minutephysics Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in a minute! Created by Henry Reich