"NASA is drawing up a shortlist of ideas to be unveiled early next year for diverting a 40m-ton asteroid that is on course to pass dangerously close to Earth.
The schemes will be presented and discussed at the annual meeting of the American Association for the Advancement of Science.
Fears that the planet may be in danger from asteroids were heightened by the discovery of one orbiting the sun that, on its present path, will pass within 22,000 miles — a hair’s breadth in astronomical terms — in April 2029".
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