Sound and hearing - conceptual question?

Thread starter Kaxa2000
Start date Dec 15, 2009
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Conceptual Hearing Sound

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Kaxa2000

Thread starter
Dec 15, 2009

Stars other than our sun normally appear featureless when viewed through telescopes. Yet astronomers can readily use the light from these stars to determine that they are rotating and even measure the speed of their surface. How do you think they can do this?

Last edited: Dec 15, 2009

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Sound and hearing - conceptual question?

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