We now know that the light we can see reflected from the moon originates from the sun but this fact was stated over 1400 years ago in the Quran in the fallowing verses.

In the name of Allah most gracious most merciful:-

And hath made the moon a light therein, and made the sun a lamp.

REFERNCE: CHAPTER "Noah" verse "16"

surah LXXI verse "16"