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Asteroid strike: 7 ways the world could end

Asteroid strike: 7 ways the world could end

The Telegraph - By Michael Hanlon

As a mountain-sized asteroid is detected heading towards Earth, what is the likeliest 'extinction-level' scenario for mankind? Our solar system is littered with billions of pieces of debris, from the size of large boulders to objects hundreds of miles across. We know that from time to time these hit …

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