shadow

How big is the Earth’s shadow on the Moon?

Friday, December 16th, 2011

When I saw yesterday’s Astronomy Picture of the Day, I was fascinated by just how big the Earth’s shadow is on the Moon. When I made a comment to this effect on Facebook, my friend, Josh Grady, said, “It’d depend on the distance between the two, no?” Of course the size of a shadow depends [...]

Related Photos

Tags: , , , , ,
Posted in geometry, moon, shadow, trigonometry | No Comments »