How Long Will the Total Solar Eclipse Last?

[brightcove:5522492407001 default]This article originally appeared on Time.com. The upcoming total solar eclipse, which you can watch live on TIME.combeginning at 12 p.m. ET on Monday, will cross the U.S. in less than two hours, and Americans in some states will only witness seconds of it.The once-in-a-lifetime event on Aug. 21 will engulf parts of 14 states in sudden darkness when it moves from the West Coast diagonally down toward the East Coast. The path of totality, which star