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9 Cards in this Set
- Front
- Back
Define Solar Nebula
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the cloud of gas and dust that formed ur solar system
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Define Nuclear Fusion
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the combination of the nuclei ofsmall atoms to form a larger nucleus; releases energy
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Define Sunspot
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a dark area of the photosphere of the sun that is cooler than the surrounding areas and that has a strong magnetic field
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Define Corona
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the outer layer of the sun's atmosphere
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Define Chromosphere
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a thin layer below the corona
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Define Photosphere
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the visible part of the sun that we can see from Earth
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Define Rotation
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the spin of a body on its axis
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Define Orbit
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the path that a body follows as it travels around another body in space
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Define Revolution (astronomy definition)
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the mtion of a body that travels around another body in space: one complete trip along an orbit.
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