3C175: Quasar Cannon . ... Credit Copyright: Alan Bridle ( NRAO Charlottesville ) VLA , NRAO , NSF Explanation: 3C175 is not only a quasar, it is a galaxy-fueled particle cannon. Visible as the central dot is quasar 3C175, the active center of a galaxy so distant that the light we see from it was emitted when the Earth was just forming . ... Shooting out from 3C175 is a thin jet of protons and electrons traveling near the speed of light that is over one million light-years long. ...