Page 1: ARM, ASTRONOMY, ATMOSPHERE, BAND, BODY, BURNING, CELESTIAL, CLASSIFY, CLOUD, CLUSTER, COLOR, CORE, DUST, DWARF, EARTH, GALAXY, GAS, GIANT, GLOW, GRAVITY, LIGHT, MASS, NUCLEUS, ORBIT, PLANET, PLANETARIUM, RAY, SKY, SHAPE, SIZE, SPACE, STAR, SYSTEM, TELESCOPE, UNIVERSE
Page 2: ANDROMEDA, ASTRONOMER, SPIRAL GALAXY, BARRED SPIRAL GALAXY, ELLIPTICAL GALAXY, LENTICULAR GALAXY, IRREGULAR GALAXY, AGE, TEMPERATURE, MATTER, DARK, FORM, DISK, DISCOVERY, LIGHT YEAR, SOLAR SYSTEM, THE MILKY WAY, EDWIN HUBBLE, ISAAC NEWTON, GALILEO GALILEI, FERDINAND MAGELLAN