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  Science   21 Jun 2017

Science, 21 Jun 2017

Asteroid collision with Earth inevitable; could destroy major cities

The warning comes ahead of the Asteroid Day to be observed on June 30.

21 Jun 2017 6:33 PM

ESA boss urges action on 'ticking timebombs' in Earth orbit

The US is believed to hold the most complete catalogue, listing an estimated 20,000 pieces of junk.

21 Jun 2017 10:30 AM

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