Beyond Earth - Earth's Geomagnetic Activity
Space is a better vacuum than any we can create on Earth, but it's nonetheless bustling with activity. It overflows with energy, particles and a complex system of magnetic field lines. This animation shows the busy-ness of near-Earth space, where the magnetic environment around Earth can trap electrons and charged particles.
Please give credit for this item to:
NASA's Goddard Space Flight Center Conceptual Image Lab