The Two Stars near One Another on the Sky,MizarA,are Shown

question 64

Multiple Choice

The two stars near one another on the sky,MizarA,are shown.Positions of one member areshown relative to the other star at different times.From plots like this one,astronomers concude that ...

• A) the stars are in an elliptical orbit around one another
• B) the mass of the pair can be estimated
• C) one star is passing by the other never to return
• D) both A and B

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