Nasa 's Magnetospheric Multiscale ( MMS ) mission launched from Maryland . Four identical spacecraft were taken into orbit at 2:44am GMT this morning . Mission will study the interaction of Earth and the sun 's magnetic fields . This causes 'magnetic explosions ' that create aurorae on Earth . But the phenomenon can also be dangerous for satellites in orbit .
Nasa 's Magnetospheric Multiscale ( MMS ) mission launched from Florida . Four identical spacecraft were taken into orbit at 2:44am GMT this morning . Mission will study the interaction of Earth and the sun 's magnetic fields . This causes 'magnetic explosions ' that create aurorae on Earth . But the phenomenon can also be dangerous for satellites in orbit .