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Astronomy
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Spiral Structure and Density Waves
Grade Level
Astronomy
AST.219 Spiral Structure and Density Waves
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Which everyday wave analogy best matches a spiral density wave?
A
A painted stripe on a solid wheel locks every dot in place forever.
B
A stadium wave moves around the seats while individual people mostly stay in their seats.
C
A thrown rock carries the entire lake with it across the shore.
D
A shadow destroys each object as it passes over it.
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