. . "universet." . . "Universe." . . "Earth (Planet)" . . "Universe." . . "Heelal." . . "Age." . . "Terre Âge." . . "Univers." . . "Earth" . . "Terre" . . "SCIENCE / Astronomy" . . "Cosmology." . . "kosmologi." . . "Cosmología" . . . . . . . . . . . . "Ile lat ma Wszechświat : wielkie pytanie i wielka podróż ku odpowiedzi"@pl . "Ile lat ma Wszechświat : wielkie pytanie i wielka podróż ku odpowiedzi" . . . "La edad del universo"@es . . . . . "How old is the universe?" . "How old is the universe?"@en . . . . . . "Livres électroniques" . . . . . "How old is the universe"@pl . . . . . . "Tells the incredible story of how astronomers solved one of the most compelling mysteries in science and, along the way, introduces readers to fundamental concepts and cutting-edge advances in modern astronomy.--From publisher description." . "Tells the incredible story of how astronomers solved one of the most compelling mysteries in science and, along the way, introduces readers to fundamental concepts and cutting-edge advances in modern astronomy.--From publisher description."@en . . . . "Electronic books"@en . . . . . . . . . . . . . . . . . . . . . "Einführung" . . "Cosmocronología" . . "Kosmologia." . . "Solar system" . . "Solar system." . "SCIENCE Cosmology." . . "Sonnensystem." . . "Cosmologie." . . "astronomi." . . "Système solaire Âge." . . "Weltalter." . . "Kosmologie." . . "Astrofísica" . . "Système solaire" . .