Times When Planet Earth Almost Got Wiped Out And We Had No Clue

The human race and planet Earth are fragile. We like to think of ourselves as pretty technologically advanced and prepared for just about anything. However, cosmically speaking, it’s pretty darn easy to wipe us from existence. Over the past few million years or so, we’ve had several close calls. We’re always in some grand danger from nuclear apocalypse, solar storms, meteor impacts, or global pandemics. What keeps us going is that we usually are unaware of it all.
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5 Times Planet Earth Almost Got Wiped Out And We Had No Clue

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