Physics

Quasars

This is an image of a quasar. That red dot is Quasar ULAS J1120+0641. ULAS J1120+0641 is 12.9 gigalight-years away from earth. That’s 12.9 billion (12,900,000,000) light years or 760 Septillion (760,000,000,000,000,000,000,000) miles away from [more…]