Among the Astronomical Unit (AU), the light-year (ly), and the parsec (pc), which is the largest base unit?

Answer

The parsec (pc).

When comparing the three fundamental units (AU, ly, pc), the parsec is the largest, equating to approximately 3.26 light-years.

Among the Astronomical Unit (AU), the light-year (ly), and the parsec (pc), which is the largest base unit?
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