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What is Sea Level?
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2013Nov 25
FREE FACT: An oblate spheroid is a special case of an ellipsoid where two of the semi-principal axes are the same size. A special thanks to our Subbable.com supporters: Robby Weisenfeld Gustav Delius Ike    / thenilfacts   And to Audible.com - FREE audiobook at http://www.audible.com/minutephysics MinutePhysics is on Google+ - http://bit.ly/qzEwc6 And facebook -   / minutephysics   And twitter - @minutephysics Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in a minute! Music by Nathaniel Schroeder   / drschroeder   Thanks to Nima Doroud for contributions. Created by Henry Reich

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