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Air Resistance and Terminal Velocity

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'Universe' on covers astronomy, cosmology, and space exploration. Learn Science with


Great Scientists

Edwin Hubble

1889 - 1953

Edwin Hubble, 1889 - 1953, was an American astronomer, who made the physical observations which established the Big Bang Theory and the expansion of the universe in astronomy.

Edwin Hubble, 1889 - 1953, American astronomer
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Whatever we do is only a drop in the ocean. But if it weren't for those drops, there would not be an ocean.

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Albert Girard, 1595 - 1632, was a French mathematician, who introduced 'sin', 'cos' and 'tan' as abbreviations for the trigonometric functions, and discovered the rules for summing the powers of the roots of any equation.

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