There are two shadows cast onto the moon. The outer is called the ‘penumbra’ and the inner is called the ‘umbra’. The moon will pass into the penumbra at 10:57 p.m., but at that point you ...

The first stage begins when the moon moves into Earth's fuzzy outer shadow, its penumbra, and loses its brightness. It then enters the umbra, and gradually turns reddish as the line of Earth's ...