![Celestial mechanics / Units of time / Calendars / Astrodynamics / Celestial coordinate system / Tropical year / Axial tilt / Orbital eccentricity / Year / Astrology / Measurement / Astronomy Celestial mechanics / Units of time / Calendars / Astrodynamics / Celestial coordinate system / Tropical year / Axial tilt / Orbital eccentricity / Year / Astrology / Measurement / Astronomy](https://www.pdfsearch.io/img/da24535f148c96e98b38e3dbe021cbbd.jpg)
| Document Date: 2010-12-05 07:59:19 Open Document File Size: 1,78 MBShare Result on Facebook
Country France / / Holiday Vernal Equinox Day / autumnal equinox / summer solstice / winter solstice / / NaturalFeature Winter Spring Summer Fall / / Organization SS AE / / Person Jacques Laskar / Jean Meeus / / Position awesome astronomer / / Technology pdf / /
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