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.

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Gravity Over Distance 0:44
Tidal Force Parameters 1:35
Battle of the Bulges 2:55
Tidal Lock 6:17

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PHOTO/VIDEO CREDITS
Photo & video credit: "NASA's Scientific Visualization Studio"
http://svs.gsfc.nasa.gov/cgi-b....in/details.cgi?aid=4 Photo credit: "NASA's Scientific Visualization Studio"
https://www.flickr.com/photos/....gsfc/8556665115/in/p
http://svs.gsfc.nasa.gov/cgi-b....in/details.cgi?aid=1
The Hopewell Rocks - https://www.youtube.com/watch?v=EnDJ6_XpGfo