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17 Cards in this Set
- Front
- Back
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Axis
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imaginary line from North Pole to South Pole through the center
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System
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things interacting together like the Sun, Moon and Earth
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Rotate
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spins on axis and it takes the Earth 24 hours or once a day
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Revolve
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travels around an object, the Earth takes 1 year to go around the sun
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Lunar Phases
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the changes in the way the moon looks
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Tide
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the rise and fall of the water, caused by the pull of gravity by the moon
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Solar System
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the sun and everything in reach
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Astroids
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belt of rocks between Mars and Jupiter
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Comets
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ball of ice and dust that orbit the sun
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Meteroids
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rocks moving in space
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Orbit
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the path of a planet around the sun
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Astronomer
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a scientest who studies space
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Hydrosphere
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Water all on Earth
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Asmosphere
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gases surrounding a planet
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Litmosphere
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the rocky surface of the Earth
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Galaxy
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group of stars
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Constellation
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a group of stars that forms a picture
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