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(0)Mark Weston
Author
Publisher
Tilbury House Publishers
Pub. Date
[2019]
Accelerated Reader
IL: MG - BL: 5.1 - AR Pts: 1
Physical Desc
32 unnumbered pages : color illustrations, color maps ; 24 x 29 cm
Language
English
Description
Describes how Danish astronomer Ole Romer measured the speed of light using a crude telescope and a mechanical timepiece.--