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CrashCourse · 发布于 2016年1月28日
One last round of laughs with Phil as he struggles through some Bad Astronomy. -- Crash Course Astronomy Poster: http://store.dftba.com/products/crashcourse-astronomy-poster -- "Quirky Dog" Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By Attribution 3.0 http://creativecommons.org/licenses/by/3.0/ -- PBS Digital Studios: http://youtube.com/pbsdigitalstudios Follow Phil on Twitter: https://twitter.com/badastronomer Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support CrashCourse on Patreon: http://www.patreon.com/crashcourse
