NASA Science News for June 1, 1999:
How do gusts in solar wind stir the Northern Lights? - A NASA
Scientist studies data from 3 satellites to figure out what stirs up
Earth's Northern Lights (or aurora). As the solar wind gusts towards
Earth's magnetic shield, an aurora begins - on the dayside of Earth.
The brightening of the aurora then pulses toward the nightside.
Understanding variations in the solar wind and its effect on Earth's
magnetosphere can help better predict when major magnetic storms are