In contrast, during a total solar eclipse — which is preceded by a partial eclipse — the moon completely covers the sun, revealing the sun's outer atmosphere, called the corona, during totality. That's the only time it's safe to look at a solar eclipse with the naked eye, since all of the sun's light is blocked.

A total lunar eclipse and a partial solar eclipse at sunrise two weeks later will be visible from the Poconos in March. Here's when and how to see them.

Skywatchers across the world will witness the first total lunar eclipse in three years. Here’s who will have the best views—and what gives the moon its eerie red tint.