National Geographic: Earth Investigated

Watch National Geographic: Earth Investigated Online

Mondays, on National Geographic

Did you know that you are four times more likely to die from an asteroid impact in your lifetime than to be struck by lightning? This is one of the startling facts to emerge from our new 13-part series which tackles some of the questions that have puzzled scientists for years.

Mondays, on National Geographic

Did you know that you are four times more likely to die from an asteroid impact in your lifetime than to be struck by lightning? This is one of the startling facts to emerge from our new 13-part series which tackles some of the questions that have puzzled scientists for years.

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