Voyager 1 has been exploring the unkown for many years, we are learning a great deal about the properties of the Planetary System at distances of more than 100 Astronomical Units.
Hercules A
Radio-Optical View of the Galaxy Hercules A - Many thanks to: NASA, ESA, S. Baum and C. O'Dea (RIT), R. Perley and W. Cotton (NRAO/AUI/NSF), and the Hubble Heritage Team (STScI/AURA)