Name the units which are used to measure very large astronomical distances. Write any two.
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A parsec is the distance at which 1 AU subtends an angle of 1 arcsec. For even greater distances, astronomers use kiloparsecs and megaparsecs (abbreviated kpc and Mpc)
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The parsec (symbol: pc) is a unit of length used to measure the large distances to astronomical objects outside the Solar System, approximately equal to 3.26 light-years or 206,000 astronomical units (au), i.e. 30.9 trillion kilometres (19.2 trillion miles).
Explanation:
A parsec is the distance at which 1 AU subtends an angle of 1 arcsec. For even greater distances, astronomers use kiloparsecs and megaparsecs (abbreviated kpc and Mpc)
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