Ring Around Fomalhaut . ... Credit Copyright: P. Kalas, J. Graham ( UC Berkeley ), M. Clampin ( GSFC ), ESA , NASA Explanation: Fomalhaut ( sounds like "foam-a-lot") is a bright, young, star, a mere 25 light-year trip from planet Earth in the direction of the constellation Piscis Austrinus . ... The off-center ring with a sharp inner boundary is taken to be strong evidence of a massive planet orbiting far from Fomalhaut, shaping and maintaining the ring's inner edge. ... NASA Official: Jay Norris. ...