Answers

2014-05-15T12:20:33+05:30
D = 1/p                            (d = distance  , p = parallax angle)
d =1/0.28
d = 3.57 parsec.
1 parsec. = 3.26 light year
d = 3.57*3.26
d = 11.64 light year
hence option (3) is correct

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