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You observe a spectroscopic binary star system. If you measure Doppler shifts in the spectrum and determine that star A is blueshifted and star B is redshifted, what can you conclude about the stars?
Prices Received
The amounts of money received by producers or sellers for their goods or services in the market.
Nicotine
A toxic colorless or yellowish oily liquid that is the chief active constituent of tobacco, acting as a stimulant when consumed.
Respiratory Tract
The passageway that makes up the breathing system, including the nose, throat, and lungs, responsible for air passage.
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