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Astronomy Formulas by James Q. Jacobs Lunar and solar periodicity formulas,definitions, time formulas, notation. Page one of two. Keywords: astronomy , formula , astronomy formulas , time , tropical , sidereal , earth www.jqjacobs.net/astro/astrofor.html Astronomy Formulas by James Q. Jacobs Lunar and solar periodicity formulas,definitions, time formulas, notation. Page one of two. Keywords: astronomy , formula , astronomy formulas , time , tropical , sidereal , earth www.jqjacobs.net/astro/astrofor.html Submit Site to the Astronomy Directory |