The saros cycle
A) was used in ancient times to predict eclipses.
B) is 18 years,days long.
C) comes from a Greek word that means repetition.
D) all of the above
E) none of the above

Question

Quizplus · Accepted Answer

The saros cycle is a period of 18 years, 11 days, and 8 hours, after which the Sun, Earth, and Moon return to nearly the same relative positions. This cycle was used in ancient times to predict eclipses. The word "saros" comes from a Greek word that means "repetition."

The Saros Cycle