What all happened when edward saved Bella from the carcrash in the movie twilight?

Bella was standing by her truck watching Edward stare at her when all of the sudden someone loses control of the van by slipping on ice. The van comes rushing toward her ready to smush her into the side of here truck when Edward appears next to Bella. Bracing himself between the van and Bella, Edward stops the van with his bare hand leaving a huge dent in the side of the van.