- The Planetary motions very irregular as seen from the Earth
- The primary Planets never eclipse one another
- The Solar System
- The superstitious notions of the antients with regard to Eclipses
- Moons Orbit
- Seasons
- The cause of the tides discovered by Kepler
- The Earth nearer the Sun in winter than in summer
- The Eclipsareon
- The Geometrical Construction of Solar and Lunar Eclipses
- The Method of finding the Distances of the Sun, Moon, and Planets
- The Moon’s surface mountainous
- The Motions and Phases of Mercury and Venus explained