The enlargement of the moon's orbit has been known about for many years, as was one of the original reasons for postulating that the moon was ejected from the Earth.
(The enlargement of the moon's orbit; has been known; about; T:for many years; T:as was one of the original reasons for postulating that the moon was ejected from the Earth)
The enlargement of the moon's orbit
has been known
about T:for many years T:as was one of the original reasons for postulating that the moon was ejected from the Earth