Question

science
lunar eclipses can only be observed when the moon is in what phase?
first quarter
waning crescent
half moon
full moon

Explanation:

A lunar eclipse occurs when the Earth is between the Sun and the Moon. This alignment can only happen when the Moon is in the full - moon phase. In the full - moon phase, the Moon is on the opposite side of the Earth from the Sun, allowing for the possibility of the Earth's shadow falling on the Moon.

Answer:

Full moon