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May 23, 2015

Homework Help: Astronomy

Posted by Anonymous on Sunday, March 28, 2010 at 3:29pm.

Scientists can determine what distant stars are made of, as well as their temperatures and velocities, by looking at
A absorption
B emission spectra
C continuous spectra
D samples obtained from them
E we cannot determine these things about distant stars

I think the answer is B emission

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