The two Van Allen Probes discover a third Van Allen Belt, a third torus (a donut-shaped geometric figure) of charged particles surrounding Earth. But just as they are observing it, a solar flare wipes it out completely.
The two Van Allen Probes discover a third Van Allen Belt, a third torus (a donut-shaped geometric figure) of charged particles surrounding Earth. But just as they are observing it, a solar flare wipes it out completely.