IMPACT!greenspun.com : LUSENET : Grassroots Information Coordination Center (GICC) : One Thread |
IMPACT! As night fell across North America on Tuesday an interplanetary shock wave swept past Earth and triggered a geomagnetic storm. Sky watchers across Canada and the northern tier of US states could spot auroras before local sunrise on Wednesday.
-- spider (spider0@usa.net), April 18, 2001