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Earthlings use asteroid flyby to test warning system
8:09pm IST - 01:05
The pass of a dangerously-sized asteroid to Earth on Thursday, just outside manmade satellite orbits, was used to test early warning systems after a similarly-sized object caused widespread damage in Siberia in 2013. Matthew Larotonda reports.
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Our planet's near-miss with an asteroid the size of a school bus on Thursday (October 12) was used to test an early warning system after a similarly-sized object wreaked havoc in Russia four years ago. "2012 TC4," named for the year it was discovered, was never thought to be an actual risk of collision but it did pass within 27,000 miles of the Earth. That's really close... just a tad further than some satellites in orbit. Seen here tracked by an observatory in Japan. The European Space Agency says the early warning system, an international but volunteer effort, came back with mixed results. Because one of its radar arrays in Puerto Rico was damaged in Hurricane Maria. Over a thousand people were injured in 2013 when an object of around 20 metres in size exploded over Siberia. If it had hit a more populated area the damage could have been catastrophic.
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Earthlings use asteroid flyby to test warning system
8:09pm IST - 01:05
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