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US and Russian communications satellites have collided in space in the first such reported mishap. A satellite owned by the US company Iridium hit a defunct Russian satellite at high speed nearly 780km over Siberia on Tuesday.
2009-02-12
USA Russia satellite collision space debris space junkAstronomers have issued the "all-clear" about asteroid 2003 QQ47, suspected by some to be on a possible collision course with the Earth in just 11 years.
2003-09-05
doomsday apocalypse asteroid collisionA newly discovered asteroid designated 2009 VA, which is only about 7 meters in size, passed about 2 Earth radii (14,000 km) from the Earth's surface Nov. 6 at around 16:30 EST. ... Asteroid 2009 VA was discovered by the Catalina Sky Survey about 15 hours before the close approach, and was quickly identified by the Minor Planet Center in Cambridge MA as an object that would soon pass very close to the Earth. JPL's Near-Earth...
2009-11-09
asteroid collisionA huge collision expected to occur between the world's biggest iceberg and an Antarctic promontory may not happen.
2005-01-20
iceberg Antarctica collisionA supermassive black hole may have been observed in the process of being hurled from its parent galaxy at high speed.
2010-05-12
black hole astronomy galaxy collisionA piece of debris has narrowly missed the International Space Station (ISS), forcing its six crew members to go to their escape capsules and prepare for an emergency evacuation back to Earth.
2011-06-28
space junk ISS debris orbit collisionNEOShield is a new international project that will assess the threat posed by Near Earth Objects (NEO) and look at the best possible solutions for dealing with a big asteroid or comet on a collision path with our planet.
2012-01-20
asteroid comet Earth collision trajectory