These changes in appearance are the phases of the moon. As the moon orbits Earth, it cycles through eight distinct phases. The four primary phases of the moon (new moon, first quarter, full moon ...
October’s hunter’s moon is set to peak at its fullest around 7:26 a.m. ET Thursday, but the silvery orb will appear round Wednesday evening through Friday morning, according to NASA.
That's because this is the closest occurrence of a perigee to a full moon. In the following image, the Hunter's supermoon is seen through the branches of a tree in Gaiberg near Heidelberg ...