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Meerkat is Watching
In February 2013, a 20 metre asteroid exploded over the Russian city of Chelyabinsk without warning, injuring more than 1,600 people and releasing energy equivalent to 33 Hiroshima bombs. Nobody saw it coming but that sobering wake up call directly motivated ESA's Meerkat Asteroid Guard, an automated system watching the skies around the clock for rocks on a collision course with Earth.
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