Tides: Crash Course Astronomy #8

Today Phil explores the world of tides! What is the relationship between tides and gravity? How do planets and their moons become tidally locked? What would happen if you were 300km tall? Important questions.

PBS Digital Studios: http://youtube.com/pbsdigitalstudios

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PHOTO/VIDEO CREDITS
Photo & video credit: “NASA’s Scientific Visualization Studio”
http://svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=4236 Photo credit: “NASA’s Scientific Visualization Studio”

http://svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=1333
The Hopewell Rocks – https://www.youtube.com/watch?v=