Kepler’s Third Law Tested With Earth and Mars
A simplified explanation of Kepler's third law shows how the squares of planetary periods relate to the cubes of their sun distances. Using Earth and Mars as examples, it notes that 365 squared over 687 squared equals the ratio of their orbital distances cubed, illustrating the law in days and miles.
MENTIONED IN THIS ARTICLE
Earth
Mars
Sun
Freeman to journalism after nuclear dream
Freeman, longtime managing editor at The Decatur Daily, chose newspaper work over law and nuclear physics. He rose from reporter to city editor and then managing editor, supervises AP copy, layouts, and headlines, and speaks of a rewarding but demanding six day week. He cites staff cooperation and family life in Decatur with wife Marie and two sons R described.
MENTIONED IN THIS ARTICLE
Decatur Daily
Mike Freeman
Edward Freeman
The
Nashville Tennessean
Freeman
DAILY
James L. Murphy and Co
Nashville
Associated Press
Hunt
Marie
Mike Jr
Pat
Clearview St
Chattanooga
Old pound notes burn as Australia switches currency
Five million bundles of the old one pound notes are burned at the Reserve Bank note issue branch in Melbourne as Australia replaces them with the Australian dollar.
MENTIONED IN THIS ARTICLE
Melbourne
Australia
Reserve Bank
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