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Finding the Speed of Light - The 1676 Discovery that Dazzled the World (Hardcover)
Loot Price: R441
Discovery Miles 4 410
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Finding the Speed of Light - The 1676 Discovery that Dazzled the World (Hardcover)
Series: The History Makers Series, 0
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Loot Price R441
Discovery Miles 4 410
Expected to ship within 12 - 17 working days
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More than two centuries before Einstein, using a crude telescope
and a mechanical timepiece, Danish astronomer Ole Romer measured
the speed of light with astounding accuracy. How was he able to do
this when most scientists didn't even believe that light traveled?
Like many paradigm-shattering discoveries, Romer's was accidental.
Night after night he was timing the disappearance and reappearance
of Jupiter's moon Io behind the huge, distant planet. Eventually he
realized that the discrepancies in his measurements could have only
one explanation: Light had a speed, and it took longer to reach
Earth when Earth was farther from Jupiter. All he needed then to
calculate light's speed was some fancy geometry.
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