This is just the beginning! Our collection holds over 300 years of history, including rare newspapers, obituaries, marriage records, birth records, and so much more—most of which you won’t find anywhere else!
Moon theories clash over origin and age of lunar seas
Scientists debate whether the moon is a primitive solar material sample or formed with Earth. Urey, Muller, and Sjogren discuss mascons beneath lunar seas and the roles of meteor impacts, lava activity, and possible water in shaping the moon. Debate spans hot and cold moon theories as Apollo 11 looms.
MENTIONED IN THIS ARTICLE
Urey
Moon
Earth
Space
Jet Propulsion Laboratory
Pasadena
Calif
Paul M. Muller
William L. Sjogren
J. Gordon Stipe
Boston University
Department of Physics
Muller
Robert Strom
Ewen Whittaker
University of Arizona
Harold Masursky
U.S. Geological Survey
Lunar