Vocabulary
solar system, orbit, rotation, satellite, moon, apparent motion, constellation, axis, solar system, orbit, rotation, satellite, moon, apparent motion, constellation, axis, phases of the moon, orbits, Earth, lunar cycle, new moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, last quarter, waning crescent, tides, solar system, orbit, rotation, satellite, moon, apparent motion, constellation, axis, sun, Earth, moon, orbit, rotation, lunar phases, new moon, first quarter, waxing crescent, waxing gibbous, full moon, waning crescent, last quarter, gibbous, lunar phases, satellite, waxing, waning, asteroid, elliptical, moon, satellite, orbit, Phases of the Moon, Lunar Phases, new moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, last quarter, waning crescent, Lunar cycle (29.5 days),, solar system, orbit, rotation, satellite, moon, apparent motion, constellation, axis, 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, extinct, human exploitation, invasive species, ecosystem, biodiversity, genetic diversity, species diversity, ecosystem diversity, genes, habitat destruction, population pollution, climate change, pollution, toxic chemicals, nitrogen, phosphate fertilizers, native species, global warming, renewable energy, nonrenewable energy, pollination,