LIVE: NASA - Atlas V 421 launch

Published On: Oct 07 2012 12:21:58 PM EDT   Updated On: Mar 12 2015 11:28:10 PM EDT

10:44 p.m. ET: Launching from Cape Canaveral Air Force Station, Fla. on an Atlas V 421 launch vehicle, the Magnetospheric Multiscale, or MMS, mission will study the mystery of how magnetic fields around Earth connect and disconnect, explosively releasing energy via a process known a magnetic reconnection.