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MMS

Magnetospheric Multiscale

Active Mission

About

Mission Objective and Goals

Breakthrough

Observing a Fundamental Force of Nature

Orbit

Where Is MMS Now?

MMS investigates how the Sun's and Earth's magnetic fields connect and disconnect, explosively transferring energy from one to the other. This process occurs throughout the universe and is known as magnetic reconnection.

Type

Orbiter

Launch

March 12, 2015

Target

Sun-Earth Interaction

Objective

Astrophysics, Space Weather

View the current location of the MMS spacecraft with this immersive, real-time, 3D, web-based app for Mac, PC, and mobile devices. No download or signup necessary.

NASA/JPL-Caltech/VTAD

MMS Stories

Explore All Magnetospheric Multiscale (MMS) Stories

What NASA Is Learning from the Biggest Geomagnetic Storm in 20 Years

NASA’s Record-Shattering, Theory-Breaking MMS Mission Turns 10

Scientists with NASA’s MMS Mission Crack 60-Year Mystery of Fast Magnetic Explosions

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