We'd need 5 to 10 years' notice to stop a killer asteroid heading for Earth

When it comes to keeping Earth safe from catastrophic asteroid impacts, simulations have revealed that researchers need a bigger heads up than previously thought, reports Business Insider.

In reality, if an asteroid like that fictional one were heading for Earth, scientists would need years — not months — of warning. Five years is the minimum, according to Chodas. Others, like MIT astronomer Richard Binzel, say we'd need at least a decade.

"Time is the most valuable commodity you could possibly wish for, if faced with a real asteroid threat," Binzel told Insider.

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Story Image: An artist's illustration of asteroids flying by Earth. Credit: Peter Carril/ESA