Correct Answer:
Option C - One Astronomical unit (AU) represents the mean distance between the earth and sun. An AU is approximately 93 million miles (150 million km). More exactly, one astronomical unit (AU) = 92,955,807, miles (149,597,871km).
C. One Astronomical unit (AU) represents the mean distance between the earth and sun. An AU is approximately 93 million miles (150 million km). More exactly, one astronomical unit (AU) = 92,955,807, miles (149,597,871km).