Magnetospheric Multiscale (MMS)

MMS Four Separate – View of all four spacecraft in the MMS Cleanroom getting prepared for stacking operations.

Learn more about MMS at www.nasa.gov/mms

Credit NASA/Chris Gunn

The Magnetospheric Multiscale, or MMS, will study how the sun and the Earth's magnetic fields connect and disconnect, an explosive process that can accelerate particles through space to nearly the speed of light. This process is called magnetic reconnection and can occur throughout all space.

NASA image use policy.

NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.