Question

What is relation between 1AU and 1parsec ????​

Answer 1

Parsec : One Parsec is the distance from the semi major axis of the orbits of the earth subtends an angle of one second of arc at the centre of the sun. One Parsec is 3.26 times the light year. From eq(i) and eq(ii), (10⁻¹¹/1.496) A.U. = (10⁻¹⁵/30.8396) Parsec.