Quasar in a sentence as a noun

Guessing you saw the article on the lack of quantisation jitter on quasar light then, then?

It is an object that due to current models of quasar formation should not exist at that point in time.

What you probably meant though was "How long did the light that we're seeing from this particular quasar take to get here?

* UT1 is "astronomer" time, the rotation angle of the Earth with respect to the quasar reference frame.

Quasar definitions

noun

a starlike object that may send out radio waves and other forms of energy; many have large red shifts