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Swift Chpt 7

Swift Earth Moon

astronomy the study of the moon, stars, and other objects in space
axis the imaginary line that passes through Earth’s center and the North and South Poles
rotation the spinning of Earth on its axis
revolution the movement of one object around another
orbit a path, such as the one the Earth follows as it goes around the sun or the Moon as it goes around the Earth
calendar a system of organizing time
solstice the day of the year when the sun is farthest north or farthest south.
equinox the day of the year when the sun is directly over the equator
gravity the force that attracts all objects towards each other
inertia the tendency of an object to resist change in motion
phases the different shapes of the moon you see from Earth
eclipse when an object in space comes between the sun and a third object and casts a shadow on that object
solar eclipse when the moon passes between the Earth and the Sun, casting a shadow on the Earth
lunar eclipse when the Earth passes between the sun and the moon, casting a shadow on the Moon
tide the rise and fall of the ocean due to the pull of gravity from the moon and sun
spring tide the tide that occurs during a full or new moon phase
neap tide the tide that occurs during a first or third quarter moon phase
maria the dark parts of the moons surface
craters the round pits on the moons surface
Created by: dswift