Chapter I: Primitive Astronomy, §§ 1-18 1-20

§ 1. Scope of astronomy 1

§§ 2-5. First notions: the motion of the sun: the motion
and _phases_ of the moon: daily motion of the
stars 1

§ 6. Progress due to early civilised peoples: Egyptians,
Chinese, Indians, and Chaldaeans 3

§ 7. The _celestial sphere_: its scientific value: _apparent
distance_ between the stars: the measurement of _angles_ 4

§§ 8-9. The rotation of the celestial sphere: the _North_ and
_South poles_: the _daily motion_: the _celestial
equator_: _circumpolar stars_ 7

§§ 10-11. The _annual motion_ of the sun: _great circles_:
the _ecliptic_ and its _obliquity_: the _equinoxes_ and
_equinoctial points_: the _solstices_ and _solstitial
points_ 8

§§ 12-13. _The constellations_: _the zodiac_, _signs of the zodiac_,
and _zodiacal constellations_: the _first point of
Aries_ (♈), and the _first point of Libra_ (♎) 12

§ 14. The five _planets_: _direct_ and _retrograde_ motions:
_stationary points_ 14

§ 15. The order of nearness of the planets: _occultations_:
_superior_ and _inferior_ planets 15

§ 16. Measurement of time: the day and its division into
hours: the _lunar month_: the year: the week 17

§ 17. _Eclipses_: the _saros_ 19

§ 18. The rise of _Astrology_ 20