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Fraser
2010-Apr-23, 02:00 PM
Everything in the Universe is spinning. In fact, without this rotation, life on Earth wouldn't exist. We need the conservation of angular momentum to flatten out galaxies and solar systems, to make planets possible. Let's find out about the physics involved with everything that spins, and finally figure out the difference between centripetal and centrifugal [...]

More... (http://www.universetoday.com/2010/04/23/podcast-rotation/)

grapes
2010-Apr-23, 02:12 PM
What about globular clusters?