The past and future of the earth-moon system

Research output: Contribution to journalArticlepeer-review


The lunar orbit is presently expanding due, we believe, to tidal friction, i.e. the attraction of the moon for the tides it raises on the rotating Earth. The Moon may therefore have been significantly closer to the Earth in the distant past, a point of great interest to those studying the lunar origin. This work presents the results of the integration of the equations which govern the rates of change of the lunar orbit elements and the angular momentum of the Earth. Results are presented for both the past and future of the Earth-Moon system.

Original languageEnglish (US)
Pages (from-to)581-584
Number of pages4
JournalActa Astronautica
Issue number8
StatePublished - Aug 1983

ASJC Scopus subject areas

  • Aerospace Engineering


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