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

by Rebecca Evans and Mark Weston

Book Overview

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...

• Format: Hardcover
• Language: English
• ISBN: 0884485455
• ISBN13: 9780884485452
• Release Date: March 2019
• Publisher: Tilbury House Publishers
• Length: 32 Pages
• Weight: 1.25 lbs.
• Dimensions: 0.4" x 11.2" x 9.1"
• Age Range: 8 to 12 years
• Grade Range: Grades 3 to 7