QT Planetary Defense Coordination Office


Only three asteroids were discovered last week as they passed between Earth and the moon.
And only one of them was the largest known asteroid to pass this close to Earth “in observational history.”
But even if Asteroid 2018 GE3–about the size of a football stadium–had hit, it would have created a crater only two miles across and destroyed everything for only 15 miles in every direction.
So there remains no cause for concern.

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