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symbo symbo
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7 years ago
Cepheid variable stars pulsate regularly in size. During the contraction part of the cycle, when the star's temperature is increasing, the peak wavelength of the emitted radiation will
A)   shift from the visible to the UV part of the spectrum.
B)   shift from the UV to the visible part of the spectrum.
C)   remain unchanged.
D)   shift toward longer or shorter wavelengths at random as the temperature changes.
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Discovering the Universe

Discovering the Universe


Edition: 7th
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hyponoticahyponotica
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7 years ago
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symbo Author
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7 years ago
Thank you, thank you, thank you!
Tabitha.davis
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Yesterday
Correct Slight Smile TY
halyna
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2 hours ago
this is exactly what I needed
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