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chapter 20 lesson 1

QuestionAnswer
orbit the path an object follows as it moves around another object
revolution the motion of one object around another object
rotation a spinning motion
rotation axis the line on which an object rotates
solstice is a day when earths rotation axis is the most toward or away from the sun
equinox is a day when earths rotation axis is leaning along earths orbit, neither toward nor away from the sun
maria the large, dark, flat areas on the moon
phase the portion of the moon or a planet reflecting light as seen from earths
waxing phase more of the moons near side is lit each night
waning phase less of the moons near side is lit each night
umbra the central, darker part of a shadow where light is totally blocked
penumbra the lighter part of a shadow where light is partially blocked
solar eclipse then the moons shadow appears on earths surface
lunar eclipse when the moon moves into earths shadow
tide the daily rise and fall of sea level
Created by: viaxzs
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