 Lieutenant Felix Gaeta reconstructs Gaius Baltar's work on the location of Earth and determines the fleet should navigate to a distant nebula shaped like a lion's head (Lion's Head Nebula).The pilots choose "Athena" as the new call sign for Sharon Agathon after she explains that "Boomer" refers to someone else.Caprica Six and a Number Three copy tell Baltar that the Cylons plan to make Earth their new home.