Question

how the distance between two star​

Answer 1

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If we divide the baseline of one AU by the tangent of one arcsecond, it comes out to about 19.2 trillion miles (30.9 trillion kilometers), or about 3.26 light years. This unit of distance is called a parallax second, or parsec (pc). However, even the closest star is more than 1 parsec from our sun

Answer 2

Answer:

To measure distance to stars.A parsec is the distance at which 1 AU subtends an angle of 1 arcsec. 1 pc = 3.09 x 1013 km = 3.26 ly. For even greater distances, astronomers use kiloparsecs and megaparsecs ( kpc and Mpc).

Explanation:

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