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General Science

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Light Bulbs. Science & Nature - Human Body and Mind - Mind. Professor of Theoretical Physics, CUNY. UC Berkeley - Download free content from UC Berkeley. Anthropology - Download free content from Oxford University. Your Age On Other Worlds. Looking at the numbers above, you'll immediately notice that you are different ages on the different planets.

Your Age On Other Worlds

This brings up the question of how we define the time intervals we measure. What is a day? What is a year? The earth is in motion. Actually, several different motions all at once.


Chemistry. Physics. Astroids 1980-2010.