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U.S. and Russian Satellites Collide Over Siberia

A Russian and a U.S. satellite collided over Siberia Tuesday, reports the BBC.

Iridium, a U.S. communications satellite and Kosmos-2251, an inactive Russian Satellite collided Tuesday roughly 500 mile above Siberia. The crash poses a threat to other unmanned satellites and is thought to be the worst incident of this sort ever.

The U.S. Department of Defense's Space Surveillance Network tracks the 6,000 man-made satellites and debris in orbit around the space, reports AP. They are tracking the debris to ensure the the safety of nearby satellites, specifically the Hubble Telescope and the International Space Station.

A NASA memo listed the risk to the ISS as elevated, but low and within acceptable limits.

A spokeswoman from Iridium said their satellite was where it was supposed to be. Iridium has the ability to move their satellites, but has never received a report accurate enough for the company to do so.

Russia has not commented on the status of their satellite.