WE'RE DUE FOR ANOTHER CARRINGTON EVENT On September 1, 1859, astronomer Richard Carrington was observing a huge sunspot. Suddenly, a flash of intense white light burst from the sun's surface. He had become the first eye-witness of a major Coronal Mass Ejection or CME. And it was headed straight for earth. Seventeen hours later, the night sky in North America lit up like the day. Aurora Borealis, typically only seen near the north pole, were visible as far south as Colombia. In the southern hemis