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Astronomy Review

QuestionAnswer
A New Moon
Inertia The tendency of an object to resist a change in motion
Gravity The attractive force between objects
What's gravity's strength depend on? Their masses and distance
What did Kepler do? Found out that the orbit of each planet is an ellipse
What keeps planets in orbit? Gravity and Inertia
Inner planets Mercury,Venus,Earth,and Mars(Terrestrial)
Outer planets Jupiter,Saturn,Uranus,Neptune,and Pluto (gas giants)
B Waxing Crescent
C First Quarter
D Waxing gibbous
E Full moon
F Waning Gibbous
G Third Quarter
H Waning cresent
Neap This tide occurs when the sun is at right angles to the line between Earth and the moon
Eclipse Occurs when the moon's shadow hits Earth or Earth's shadow hits the moon
Penumbra A person standing in this driection would see a partial solar eclipse
Umbra A person standing in this position would see a total solar eclipse
Spring tide Occurs when the sun, moon, and Earth line up
Lunar Eclipse Occurs at a full moon when Earth is directly between the moon and the sun
Solar eclipse Occurs when the moon passes between Earth and the sun
Rotation Movement of Earth around its axis
Equinox The sun is farthest north or south of the equator at this time
Solstice The noon sun is directly overhead at the equator at this time
What causes seasons? The earth is tilted and because it revolves around the sun
Revolution The movement of an object around another object
Created by: fluteygirl1
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