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Parsec
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parsec
a unit of astronomical distance equivalent to about 3.26 light-years
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parsec
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Exempel
Astronomers use parsec to measure distances to stars and galaxies.
Galaxies billions of parsecs away are visible with powerful telescopes.
Understanding parsec helps astronomers map the vastness of the universe.
The Milky Way galaxy has a diameter of tens of thousands of parsecs.
