Calculate the magnitude of its three-dimensional velocity

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Reference no: EM13284146

1- How far away is the star Spica, whose parallax is 0.012"?

2- A star lying 35pc from the Sun has proper motion of 0.2"/yr . A-What is the star's transverse velocity? B-If the star's spectral lines are observed to be redshifted by 0.03 percent, calculate the magnitude of its three-dimensional velocity relative to the Sun.

Reference no: EM13284146

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