Complex sentence: NGC 1260 is either a lenticular or tightly-wound spiral galaxy about 76.7 megaparsecs distant from Earth that contained the second brightest known object in the universe, SN 2006gy.
Split into simpler sentences: NGC 1260 is either a lenticular or tightly-wound spiral galaxy about 76.7 megaparsecs from Earth. It contains the second brightest known object in the universe, SN 2006gy.