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## Main Question or Discussion Point

please can somebody help me with this parallax equation:

D=distance to star

theta=angle

using the rule D=(d/2)/tan(theta/2)

when d = 300*10tothe6

and theta = 5*10tothe-5

what is the distance to the star in km and light years?

D=distance to star

theta=angle

using the rule D=(d/2)/tan(theta/2)

when d = 300*10tothe6

and theta = 5*10tothe-5

what is the distance to the star in km and light years?