Study finds Earth's auroras are not mirror images

Thanks to observations from the ground and satellites in space, scientists know that the North and South Poles light up at night with Auroras because a "solar wind" of electrified gas continually flows outward from the sun at high speed in all directions, including toward the Earth. Recently, however, NASA and university scientists looking at the Earth's northern and southern auroras were surprised to find they aren't mirror images of each other, as was once thought.

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All News summaries for April 06, 2005