** CE011. [[Earth's rotation is slowing, indicating a young earth]].
***CE011.1. [[The frequency of leap seconds indicates a young earth]].
** CE020. [[An old earth would be covered by Una tierra vieja estaría cubierta por 182' of meteoric dustpies de polvo meteórico]].
* '''CE100: Moon'''
** CE101. [[Not enough moon dust for an old universe]].