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How much of the Moon is being illuminated by the Sun at any given time?

1 Answer

Answer:

50% of the lunar surface is always illuminated by Sun.

Explanation:

As moon goes round the earth we see the 50% surface only on full moon nights.
In the picture inner moon shows the actual illumination and outer moons shows our view from Earth.enter image source here
Picture credit Spoace plaCE nasa GOV.