# You measure the parallax angle for a star to be 0.1 arcseconds. The distance to this star is?

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?

#### Explanation

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#### Explanation:

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1
Dec 8, 2015

10 Parsecs

#### Explanation:

The distance to an object in space given in parsecs is inversely proportional to its parallax angle, given by.

$d = \frac{1}{p}$

where,

d is in Parsecs
p is in arcsecs

so,

$d = \frac{1}{0.1}$

d = 10 Pcs or 10 Parsecs

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