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Author Question: What information about an astronomical object can be determined by observing its (Read 1612 times)

plus1

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on: Aug 28, 2013
What information about an astronomical object can be determined by observing its spectrum?
A) its temperature
B) its radial motion
C) its chemical composition
D) whether it has a strong magnetic field
E) all of the above


notis

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Reply #1 on: Aug 28, 2013
I know the answer! It's E.


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