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06-10-2017
Physics

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If i measure the parallax of a star to be 0.125 arc seconds, what is its distance in parsecs?

Respuesta :

barnuts barnuts

16-10-2017

To compute for the distance of a star given the parallax, we simply have to take the reciprocal of the magnitude of parallax. In this case, distance is:

distance = 1 / parallax

distance = 1 / 0.125

distance = 8 parsecs

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