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Marking the first ‘Asteroid Day’

Credit: AP

Marking the first ‘Asteroid Day’

Monday’s asteroid flyby common, threat real

Monday’s asteroid flyby common, threat real

Chelyabinsk one year later

Chelyabinsk one year later

More chelyabinsk

Marking the first ‘Asteroid Day’

Marking the first ‘Asteroid Day’

Monday’s asteroid flyby common, threat real

Monday’s asteroid flyby common, threat real

Chelyabinsk one year later

Chelyabinsk one year later

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