Approximately how often do lunar eclipses occur?
A) Twice every year
B) Once per month
C) Twice every 11 months
D) Once every 11 years

Question

Quizplus · Accepted Answer

Lunar eclipses occur when the Earth is between the Sun and the Moon, and the Moon passes through the Earth's shadow. This can only happen when the Moon is full, and the Earth's shadow is aligned with the Moon. This alignment occurs about twice every 11 months.

Approximately How Often Do Lunar Eclipses Occur