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Earth, Sun, Moon

axis the imaginary line that passes through Earth’s center and the North and South poles
craters large round pits on the moon’s surface
eclipse the partial or total blocking of one object in space by another
equinox twice a year when day and night are each about 12 hours long everywhere on Earth
lunar eclipse occurs at a full moon when Earth is directly between the moon and the sun
maria dark, flat areas on the moon’s surface formed from huge ancient lava flows
meteoroid a chunk of rock or dust in space
moon phases the different shapes of the moon you see from Earth
neap tide a tide with the least difference between consecutive low and high tides
Newton’s law of universal gravitation states that every object in the universe attracts every other object
orbit Earth’s path as it revolves around the sun
penumbra the part of a shadow surrounding the darkest part
revolution the movement of one object around another
rotation the spinning of Earth on its axis
solar eclipse occurs when the moon passes directly between Earth and sun, blocking sunlight from Earth
solstice when the sun is farthest north or south of the equator
spring tide a tide with the greatest difference between consecutive low and high tides
tide the rise and fall of ocean water that occurs every 12.5 hours or so
umbra the darkest part of a shadow
waning to shrink
waxing to grow
Created by: rllower1