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Nasa's Near Earth Object Programme plotted the orbit of the object and determined that although it would fly extremely close to our planet it wouldn't hit us. It was the third-closest known (non-impacting) Earth approach on record for a cataloged asteroid. The Nasa NEO programme aims to detect and track at least 90 per cent of the 1,000 asteroids and comets that approach Earth and are larger than 0.6miles in diameter, by 2020. They monitored a 100ft asteroid that whizzed 45,000 miles above the Earth's surface on March 2 this year. A similar sized object slammed into Tunguska, Siberia in 1908. The impact created a blast so powerful it levelled 1,200 square miles of forest. Read more: www.dailymail.co.uk...
A similar sized object slammed into Tunguska, Siberia in 1908. The impact created a blast so powerful it leveled 1,200 square miles of forest.