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SpaceWeather.com — News and information about meteor showers, solar flares, auroras, and near-Earth asteroids

May 19, 2013

GEOMAGNETIC STORM WARNING: NOAA forecasters estimate a 75% chance of polar geomagnetic storms today. The warning is prompted by a CME, which is expected to hit Earth’s magnetic field on May 19th. High-latitude sky watchers should be alert for auroras when the cloud arrives.  The Solar and Heliospheric Observatory took this picture of the CME leaving the sun at 1500 km/s (3.4 million mph) on May 17th:

SpaceWeather.com — News and information about meteor showers, solar flares, auroras, and near-Earth asteroids.

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