Cycles in the Sky: Crash Course Astronomy #3 скачать в хорошем качестве

Cycles in the Sky: Crash Course Astronomy #3

This week we build on our naked eye observations from last week and take a look at the cyclical phenomena that we can see at work in the universe. Check out the Crash Course Astronomy solar system poster here: http://store.dftba.com/products/crash... -- Chapters: Introduction 00:00 Cycles in the Sky 0:42 The Zodiac 2:10 Planetary Movement 2:59 The Earth's Axis 3:36 Precession 6:09 Things We've Learned From Naked Eye Observations 7:09 Review 8:40 -- PBS Digital Studios:    / pbsdigitalstudios   Follow Phil on Twitter:   / badastronomer   Crash Course is on Patreon! You can support us directly by signing up at   / crashcourse   Want to find Crash Course elsewhere on the internet? Facebook -   / youtubecrashcourse   Twitter -   / thecrashcourse   Instagram -   / thecrashcourse   CC Kids:    / crashcoursekids   -- PHOTOS http://en.wikipedia.org/wiki/Right_as... http://en.wikipedia.org/wiki/File:Ecl... http://commons.wikimedia.org/wiki/Fil... http://en.wikipedia.org/wiki/Scorpius... http://en.wikipedia.org/wiki/Libra_(c... http://en.wikipedia.org/wiki/Virgo_(c... http://commons.wikimedia.org/wiki/Fil... http://en.wikipedia.org/wiki/Cancer_(... http://en.wikipedia.org/wiki/Globe#me... http://sailornanny.weebly.com/uploads... http://www.slate.com/content/dam/slat... http://en.wikipedia.org/wiki/Pole_sta...