Biographical Encyclopedia of Astronomers

2014 Edition
| Editors: Thomas Hockey, Virginia Trimble, Thomas R. Williams, Katherine Bracher, Richard A. Jarrell, Jordan D. MarchéII, JoAnn Palmeri, Daniel W. E. Green

Daly, Reginald Aldworth

Reference work entry

BornNapanee, Ontario, Canada, 18 March 1871

Died Cambridge, Massachusetts, USA, 19 September 1957

In 1948, Canadian geologist Reginald Daly proposed that the Moon was formed by a collision between the Earth and a planetary-mass body. By 1984, “giant impact” had become the leading theory for lunar origin.

Selected Reference

  1. Baldwin, Ralph B. and Wilhelms, Don E. (1992). “Historical Review of a Long-overlooked Paper by R. A. Daly Concerning the Origin and Early History of the Moon.” Journal of Geophysical Research97, no. E1: 3837–3843.ADSCrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  1. 1.Department of Earth ScienceUniversity of Northern IowaCedar FallsUSA