During an eclipse, two shadows are cast, writes NASA. The first and innermost darkest shadow is called the umbra (pronounced UM bruh). This dark cone-like shadow gets smaller the further it gets ...

In a total lunar eclipse, the entire moon moves into the innermost and darkest part of Earth’s shadow, called the umbra, completely blocking it from the sun, according to NASA. The moon ...

Stella Osoba is the Senior Editor of trading and investing at Investopedia. She co-founded and chaired Women in Technical Analysis. She has 15+ years of experience as a financial writer and ...

At close: March 11 at 4:00:00 PM EDT ...