Phil starts the planet-by-planet tour of the solar system right here at home, Earth. Check out the Crash Course Astronomy solar system poster here: null -- Chapters: Introduction: The Earth 00:00 Layers of Earth 1:25 Continental Plates 3:01 Why is the Earth's Core so Hot? 4:21 Earth's Magnetic Field 5:10 Earth's Atmosphere 5:58 Atmospheric Pressure 7:30 Liquid Water on Earth 7:51 The Greenhouse Effect: CO2 in the Atmosphere 8:16 Review 9:27 -- PBS Digital Studios: null Follow Phil on Twitter: https://twitter.com/badastronomer Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Instagram - https://www.instagram.com/thecrashcourse/ CC Kids: null -- PHOTOS/VIDEOS Planets: Mercury: http://apod.nasa.gov/apod/ap080116.html Venus: http://www.msss.com/all_projects/magellan.php Earth: http://earthobservatory.nasa.gov/IOTD/view.php?id=36019 Mars: http://nssdc.gsfc.nasa.gov/photo_gallery/photogallery-mars.html Jupiter: http://www.nasa.gov/mission_pages/cassini/multimedia/pia04866.html Saturn: http://www.slate.com/content/dam/slate/blogs/bad_astronomy/2014/06/Ten%20Years%20at%20Saturn/cassini_ugarkovic_saturn.jpg.CROP.original-original.jpg [credit: Photo by NASA/JPL/Space Science Institute/Gordan Ugarkovic] Uranus: http://hubblesite.org/newscenter/archive/releases/1998/35/image/a/ Neptune: http://www.slate.com/blogs/bad_astronomy/2014/05/15/neptune_voyager_images_updated_for_portrait_of_the_eighth_planet.html Ulaan Tsutgalan waterfall: http://en.wikipedia.org/wiki/Orkhon_River#mediaviewer/File:Ulaan-Tsutgalan-waterfall.jpg Perspective on a cloudy day: http://www.slate.com/blogs/bad_astronomy/2014/09/05/clouds_from_space_photo_by_iss_astronaut_oleg_artemyev.html [credit: Oleg Artemyev] Rain droplets: http://commons.wikimedia.org/wiki/File:Rain_droplets.jpg Yellowston Mud Pot: http://en.wikipedia.org/wiki/Liquid_bubble#mediaviewer/File:Yellowstone_mud_pot_p1090998.jpg Sea otters holding hands: http://he.wikipedia.org/wiki/%D7%9C%D7%95%D7%98%D7%A8%D7%AA_%D7%94%D7%99%D7%9D#mediaviewer/File:Sea_otters_holding_hands.jpg Continental Drift: http://svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=73 [credit: NASA/Goddard Space Flight Center Scientific Visualization Studio] Mission to Bennu: http://svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=11697 [credit: NASA's Goddard Space Flight Center Conceptual Image Lab] http://www.es.ucsc.edu/~glatz/GarysImages/surf.gif [credit: San Diego Supercomputer Center / Nature] Excerpt from "Dynamic Earth" http://svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=11003 [credit: NASA/Goddard Space Flight Center] Clouds: http://www.beachfrontbroll.com/2013/07/BrightSkyandClouds.html Aurora Borealis: https://www.youtube.com/watch?v=4YjCIoPHT0U [credit: Fotograf Göran Strand] Waves On Rocky Shore 1080 (2011): https://archive.org/details/wavesOnRockyShore-1080 A Year In The Life Of Earth’s CO2: http://svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=11719 [credit: NASA's Goddard Space Flight Center] NASA | 2014 Continues Long-Term Global Warming: https://www.youtube.com/watch?v=WtPkFBbJLMg