Vocabulary
sun, moon, Earth, planets, rotation, revolution, revolve, seasons, axis, solar system, orbit, 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, solar system, asteroids, dwarf planets, meteoroids, gravity, telescope, orbiter, lander, orbit, asteroid belt, moon, Earth, orbit, waning, waxing, crescent, gibbous, quarter moon, tides, gravitational pull, spring tide, neap tide, lunar phases, high tide, low tide, gravity, tidal force, axis, atmosphere, illuminate, moon phase, lunar phase, waxing, waning, crescent moon, gibbous moon, new moon, quarter moon, full moon, constellation, stars, revolve, reflect, orbit, solar system, seasons, equator, hemisphere, solstice, lunar eclipse, vernal equinox, autumnal equinox, solar eclipse, penumbra, annular eclipse,