'Nothing in the sky has a cycle of this duration; it came from the Jews observing a day of rest'
A week
TIME: Nothing in the sky has a cycle of this duration; it came from the Jews observing a day of rest
Nothing in the sky has a cycle of this duration; it came from the Jews observing a day of rest
Nothing in the sky has a cycle of this duration; it came from the Jews observing a day of rest
TIME
A week
TIME