Time to start building your doomsday shelter! Welcome to WatchMoo, and today we're counting down the most concerning objects and forces that could theoretically threaten our planet, even if it's only a very remote possibility. Our countdown of objects that might destroy Earth includes Galactic Storms, Black Holes, Comets, and more! read more...
Top 10 Objects That Might Destroy Earth
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VOICE OVER: Peter DeGiglio
