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18 Cards in this Set
- Front
- Back
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ASTEROID
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A ROCKY OBJECT, MUCH SMALLER THAN A PLANET, ORBITING THE SUN
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ATMOSPHERE
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A LAYER OF GASES SURROUNDING A PLANET
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AXIS
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AN IMAGINARY LINE AROUND WHICH A PLANET SPINS
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COMET
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A BALL OF ICE AND DUST THAT ORBITS THE SUN
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GRAVITY
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AN INVISIBLE PULLING FORCE THAT HOLDS EVERYTHING ON EARTH...
KEEPS THE MOON CIRCLING THE EARTH AND HOLDS EARTH AND THE PLANETS IN ORBITS AROUND THE SUN |
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METEORITE
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A SPACE ROCK THAT HAS CRASHED INTO THE SURFACE OF A PLANET OR MOON
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MOON
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SMALL PLANET-LIKE BODY THAT CIRCLES A PLANET
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ORBIT
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THE PATH AN OBJECT TAKES THROUGH SPACE
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PLANET
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A LARGE OBJECT THAT ORBITS A STAR AND DOES NOT MAKE ITS OWN LIGHT
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ROTATION
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THE SPINNING OF A PLANET ON ITS AXIS
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SOLAR SYSTEM
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THE SUN AND ITS PLANETS, MOONS AND SMALLER ORBITING BODIES
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TELESCOPE
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AN INSTRUMENT THAT MAKES VERY FARAWAY OBJECTS SEEM NEARER...THEY ARE USED TO LOOK AT PLANETS AND MOONS
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SPACE PROBE
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A ROBOT-LIKE SPACESHIP WITH NO HUMAN CREW
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LUNAR
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ANYTHING TO DO WITH THE MOON
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REVOLUTION
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THE COMPLETION OF AN ORBIT AROUND THE SUN
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ELLIPTICAL
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THE SHAPE OF THE EARTH'S ORBIT AROUND THE SUN...NOT QUITE A CIRCLE
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STAR
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HUGE, FIERY BALLS OF BURNING GAS
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CONSTELLATION
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A GROUP OF STARS THAT FORM A PATTERN IN THE NIGHT SKY
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