Archive for May, 2011

Regions Of Earth’s Shadow – The Penumbra Eclipse

We all know that the Sun shines light on the Earth and unless it is 12 O’clock noon everything casts a shadow. Did you know that the Earth also casts a Shadow? When Sunlight reaches the Earth, the surface of the Earth facing the Sun is illuminated and the opposite surface is dark. The Dark area is the Earth’s shadow. The Earth’s Shadow has two parts, the Umbra and the Penumbra. The Umbra is the center Read the rest of this entry »