_:n94afa5ce22584136b60d74ac5113d1aaxb27
<http://schema.org/name>
"From quasar light takes about 3 billion years to reach the surface of the earth. Calculate the distance of quasar from the earth in light years"
<https://www.learnpick.in/local-tutors/delhi/all/physics/southern+avenue-area>