Question

The person who first discovered that the "stars" that we now call quasars are in fact billions of light-years away, and not inside our own galaxy, was?

Answer 1

Answer: Maarten Schmidt

Explanation: Maarten Schmidt, who in 1963 became the first astronomer to identify a quasar, a small, intensely bright object several billion light years away, and in the process upended standard descriptions of the universe and revolutionized ideas about its evolution.