. . . . . . . . . "Will the sun ever burn out? : earth, sun, and moon"@en . "Will the sun ever burn out? : earth, sun, and moon" . . . "Will the sun ever burn out? : Earth, sun, and moon" . "Juvenile works"@en . "Juvenile works" . . "Attempts to answer the title question \"Will the sun ever burn out?\" from a secular standpoint." . . "Earth (Planet)" . . "Sun" . . "Sun." . . . "Moon" . . "Moon." .