From smallest to largest, what is the correct order of these astronomical distance units?

A) parsec, light-year, AU

B) light-year, AU, parsec

C) AU, light-year, parsec

D) AU, parsec, light-year

Astronomical Unit (AU)

1 AU = 1.50 x 10^11 m

Light year (lyr)

1 lyr = 9.46 x 10^15m

Parsec (pc)

1 pc = 3.08 x 10^16 m

From smallest to largest, the correct order of these astronomical distance units is

C) AU, light-year, parsec