moon-longitude
The Inequality of The Moon's Motion in Longitude has a period of 27.4304 Earth days. To verify this, Here is scan from Popular Science Review, Volume 15, 1876, page 420.
The Inequality of The Moon's Motion in Longitude has a period of 27.4304 Earth days. To verify this, Here is scan from Popular Science Review, Volume 15, 1876, page 420.