First quarter moon occurs today. The line that separates night and day on the moon is called the terminator. If you use binoculars your best views will always be along this terminus of sunlight.
Astronomy Fact of the Day: November 15, 2018

First quarter moon occurs today. The line that separates night and day on the moon is called the terminator. If you use binoculars your best views will always be along this terminus of sunlight.