if the space is in between the moon and the moon, then the space can unblock the sound on the sun & the part sun is when the space is in between the moon and the sun ->  the full moon is when the earth can block the light on the moon  the full moon is when the earth can block the light on the moon & an preposition express sound transports a light ->  the full moon is when the earth can cause a shadown on the moon  the full moon is when the earth can cause a shadown on the moon & a lunar pair is formed by space 's light falling on the sun -> the full moon is when a lunar eclipase can happen