What amount of the Moon's surface that is aways bright?

Answer 1

I would say that half of the moon is always illuminated (the half that faces the sun) but because of the moon's angle and positioning in comparison to the sun and Earth, we can only see a certain amount of it each night.

The moon has one face wich always faces the earth. As it goes around the earth, there is always some area (almost half of it) which faces away from the sun and is therefore dark. None is always bright.

Answer 2

Approximately 59% of the Moon's surface is always bright, which is known as the lunar highlands. These regions consist of rugged and mountainous terrain that reflects sunlight, making them appear brighter compared to the darker, smoother maria regions.