Vocabulary
lunar phases, moon, sun, waning crescent, waxing crescent, waning gibbous, waxing gibbous, full moon, first quarter, last quarter, , solstice, equinox, lunar eclipse, solar eclipse, transit, penumbral, partial, and total eclipses,, season, lunar eclipse, solar eclipse, tilt, axis of rotation, plane of orbit, obliquity, solstice, equinox, umbra, antumbra, annular eclipse, lunar phase, orbit, rotate, revolve, phases of the moon, spring tide, neap tide, gravity, dwarf planet, comets, asteroids, gravity, velocity, orbital, lander, rover, telescope, ocular, finderscope, tripod, solar system, asteroid belt, gravity, lunar eclipse, solar eclipse, solar system, phases of the moon, waxing, waning, gibbous, crescent, solar system, gravity, revolution, equator, southern hemisphere, northern hemisphere, solstice, equinox, eclipse, umbra, penumbra,, Earth, Sun, Moon, lunar eclipse, penumbral lunar eclipse, partial lunar eclipse, total lunar eclipse, blood moon, umbra, penumbra, solar eclipse, annular solar eclipse, seasons, spring, autumn, summer, winter, axis, revolve, revolution, rotate, rotation, elliptical orbit, north pole, south pole, hemisphere, day, night, year, seasons, equator, hemisphere, solstice, lunar eclipse, vernal equinox, autumnal equinox, solar eclipse, penumbra, annular eclipse,, waning gibbous, waxing gibbous, waning crescent, waxing crescent, first quarter, last (third) quarter, new moon, full moon, autumn, spring, summer, winter, Northern Hemisphere, Southern Hemisphere, equator