Chile, Nightsky

Variations of the Moon

The waxing crescent Moon on April 22, 2015, with 17% of the Moon’s surface illuminated.


The light that is visible on the part of the moon that is not brightly illuminated, is called Earthshine. The best times to observe the Earthshine is during the waxing or waning crescent phase of the Moon.


Moon and Venus shortly after sunset.