Vocabulary
, moons, solar system, sun, planets, meteorites, asteroids, dwarf planets, comets, Venus, Earth, circumstellar disk, orbits, Mars, Jupiter, asteroid belt, Saturn, Mercury, Neptune, Uranus, Ceres, satellites, meteor belt, gravity, elliptical orbit, inertia, celestial bodies, comets, meteor, meteoroid, methane, Rigel, space orbiter, rattan, sulfuric acid, carbon dioxide, space orbiters, sun, star, solar system, plasma, galaxy, orbit, atmosphere, satellite, moon, diameter, rotation, lunar surface, axis, day, night, North pole, South pole, phases of the moon, last quarter, waning gibbous, waxing gibbous, waning crescent, waxing crescent, full moon, new moon, planet, solar system, Earth , Mars, Jupiter, Saturn, Neptune, Uranus, Mercury, Venus, moon, rotate, Galileo, astronomical, sun, gas giant, satellite, moon, sun, moon, Earth, planets, rotation, revolution, revolve, seasons, axis, solar system, orbit