NASA scientists warn Earth is three times more likely to be hit by enormous asteroid - The Mirror
- NASA scientists warn Earth is three times more likely to be hit by enormous asteroid The Mirror
- NASA warns a mass-extinction causing asteroid more likely to hit our planet than previously thought Daily Mail
- Giant Asteroids Hitting Earth Is Becoming More Dangerous Than We Thought Giant Freakin Robot
- Big asteroids hit Earth more frequently than thought, study suggests Space.com
- NASA's Chief Scientist Warns The Risk Of An Asteroid Strike Is Worse Than Previously Thought Hot Hardware
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