How an asteroid almost hit Earth and shocked the United Nations - Crikey

Less than a decade ago, an asteroid the size of a small cabin exploded above a town in Russia. No one knew it was coming.

Spurred by a near miss, the world built an alert system to detect asteroids heading for Earth. But its not clear who would decide what to do next. On the morning of February 15, 2013, a research tea… [+6335 chars]

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