19. How old is the Moon? (A K2S Question)

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The Moon is about as old as the rest of the solar system— 4,560,000,000 years, based on radioactive decay dating of lunar rocks. http://www.pbs.org/wgbh/nova/tothemoon/origins2.html (See CDROM)

Answer provided by Thomas Matula, Ph.D. & Kenneth J. Murphy


Image:K2S logosmall.jpg Question and Answer extracted from the book Kids to Space - by Lonnie Schorer


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