"Lunar eclipse is if you're on the side of the Earth that's facing the full moon, you will see the eclipse. The side of the Earth, so, in that sense, it's not rare. (We) get one every couple of years," astrophysicist Neil deGrasse Tyson said March 14 on TODAY. Tyson also explained just how the moon turns the shade of red it does.

Heads up, literally! The "blood moon" total lunar eclipse will awe stargazers this week. Here are the best times to watch in Southern California.