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Finding the Speed of Light: The 1676 Discovery that Dazzled the World

Finding the Speed of Light: The 1676 Discovery that Dazzled the World

Mark Weston
3.7/5 ( ratings)
Read Download
More than two centuries before Einstein, using a crude telescope and a mechanical timepiece, Dutch 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.
Language
English
Pages
32
Format
Hardcover
Publisher
Tilbury House Publishers
Release
March 12, 2019
ISBN
0884485455
ISBN 13
9780884485452

Finding the Speed of Light: The 1676 Discovery that Dazzled the World

Mark Weston
3.7/5 ( ratings)
Read Download
More than two centuries before Einstein, using a crude telescope and a mechanical timepiece, Dutch 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.
Language
English
Pages
32
Format
Hardcover
Publisher
Tilbury House Publishers
Release
March 12, 2019
ISBN
0884485455
ISBN 13
9780884485452

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