User:DraculavanHelsing/Books/History of Astronomy2 A-G

A-G

 * Almagest
 * Ancient Greek astronomy
 * Apparent retrograde motion
 * Archaeoastronomy
 * Aristarchus of Samos
 * Asaph Hall
 * Asterism (astronomy)
 * Astrolabe
 * Astrology and astronomy
 * Astronomia nova
 * Astronomical chronology
 * Astronomical naming conventions
 * Astronomical unit
 * Astronomy
 * Astronomy in the medieval Islamic world
 * Axial precession
 * Axial tilt
 * Axis mundi
 * Babylonian astronomy
 * Barycenter
 * Camille Flammarion
 * Celestial coordinate system
 * Celestial mechanics
 * Celestial sphere
 * Celestial spheres
 * Charles Messier
 * Chinese astronomy
 * Chiron (hypothetical moon)
 * Christiaan Huygens
 * Claimed moons of Earth
 * Clearing the neighbourhood
 * Clockwork universe
 * Clyde Tombaugh
 * Conjunction (astronomy)
 * Constellation
 * Copernican heliocentrism
 * Copernican Revolution
 * Cosmic age problem
 * Counter-Earth
 * De revolutionibus orbium coelestium
 * Declination
 * Deferent and epicycle
 * Definition of planet
 * Dialogue Concerning the Two Chief World Systems
 * Dwarf planet
 * Dynamics of the celestial spheres
 * Eccentricity (mathematics)
 * Ecliptic
 * Edmond Halley
 * Edwin Hubble
 * Egyptian astronomy
 * Elongation (astronomy)
 * Empyrean
 * Equant
 * Equatorial coordinate system
 * Equinox
 * Firmament
 * Fixed stars
 * Flat Earth
 * Foucault pendulum
 * Fred Hoyle
 * Galactocentrism
 * Galileo affair
 * Galileo Galilei
 * Geocentric model
 * Gerolamo Cardano
 * Giordano Bruno
 * Giovanni Schiaparelli
 * Gravity
 * Great conjunction
 * Great Debate (astronomy)
 * Great Rift (astronomy)
 * Gustav Kirchhoff