The satellite, which swoops on an egg - shaped orbit to within 350 kilometers of Earth's surface, detected electrical impulses from electrons coursing upward within charged sheets that shadow the downward
flowing auroral electrons.
Not exact matches
Some theorists thought this
auroral heating could
flow toward the equator to warm the planet's mid-latitudes.
And at some point an
auroral «substorm» is triggered: the particles are snapped back toward Earth, and
flow into the polar caps — on the planet's nightside.