Question

Express the average distance of the earth from the sun in (1)light years and (2)parsec

Answer 1

approx.150 millions km (93 million miles) in light years and 92.9 10 power of 6

Answer 2

Answer:

The average distance of the earth from the sun = 150 million kilometre = 0.00001581 light years

       1 light year = 9.461 $e^{12}$ km

The average distance of the earth from the sun in parsec = 0.000004848 parsecs

The earth to sun distance is measured in Astronomical units(AU) .The distance in solar system from one planet to other planet is measured in AU.