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NASA’s Upper Atmosphere Research Satellite (UARS), an observatory that was launched in 1991 and decommissioned in 2005, may have collided with another large object in space, according to a report on LiveScience.

U.S. Air Force Space Command first cataloged four pieces from the satellite in November. Around that time, debris from Russia’s Cosmos 1275 was headed towards it. A collision wasn’t a given, but the objects were close enough to raise suspicion. We’ve written about the dangers and oddities of space junk before, but it might become a more important issue in the future.—Gregory Mone

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