View Full Version : Solar Storm Speed Limit To Earth

2004-Jun-16, 06:13 AM
"Potentially disruptive solar storms can't reach Earth in less than half a day, scientists have determined...Initial radiation from a solar flare, including X-rays, travels to Earth at the speed of light. But the charged particles of a CME...present greater hazards to the electrical systems aboard Earth-orbiting satellites...The most powerful solar flare in modern times occurred last Nov. 4...would have hit within 15 hours had it been aimed at the planet..."