这是 Youtop 运营的独立目录页面,并非由 CrashCourse 或 YouTube 运营、赞助或认可。 提交更正. 你是这位创作者吗?认领此页面
这是 Youtop 运营的独立目录页面,并非由 CrashCourse 或 YouTube 运营、赞助或认可。 提交更正. 你是这位创作者吗?认领此页面
CrashCourse · 发布于 2015年11月19日
Sometimes even Phil has a hard time with Astronomy. Time for another Bad Astronomy break! Crash Course Astronomy posters available at DFTBA.com http://store.dftba.com/products/crashcourse-astronomy-poster music: "Run Amok" - Kevin MacLeod http://incompetech.com/ -- 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