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12 Cards in this Set

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Equinox
two days of the year on which neither hemisphere is tilted toward or away from the sun
Gas Giants
the first four outer plants: jupiter, saturn, uranus, neptune
Gravity
the attractive force between 2 objects; force depends on mass and distance between them
Orbit
the path of an object as it revolves around another object in space
Prominence
a loop of gas that protrudes from the suns surface linking parts of sunspot regions
Retrograde Rotation
spinning motion of a planet from east to west
Revolution
the movement of an object around another object
Rotation
the spinning of an object about it's axis
Satellite
any object that revolves around another object in space
Solar Eclipse
the blocking of sunlight to earth that occurs when the moon is between the sun and earth
Solstice
two days of the year when the noon sun is directly overhead at either 23.5 degrees north or south
Sunspots
dark, cooler regions on the surface of the sun