Debris from massive satellite may hit earth Friday

WASHINGTON

The Upper Atmosphere Research Satellite is the size of a school bus. But, where the debris will land is the question. Scientists say the satellite orbits the earth every 89 minutes. But, because it's started tumbling now it follows a new path every time around.

Most of the six and a half ton satellite is expected to burn up in the atmosphere. But, scientists say chunks from just a pound to 300 pounds will crash down over a stretch of four to 500 miles - somewhere between the tip of Canada and the very bottom of South America.

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