What would happen if a world-destroying asteroid was headed to Earth

's radar gives off a ping, notifying scientists that a world-destroying asteroid has been detected and could hit Earth in 10 years.

World governments are quickly alerted about a potentially catastrophic event, allowing them to formulate a plan to inform the public.

One year before impact, space agencies from every country launch nuclear deflection missiles with hopes of pushing the giant asteroid away from our planet - but the mission fails.

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