Why Haven’t Meteoroids Killed Us All? If space is full of rocks and other debris, why aren’t they colliding with us all the time? How does our atmosphere protect us? Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts What Is 4-Strand DNA & Why Are Scientists So Excited? Distortions and Optical Phenomena How Fire Burns in Space Why Don’t All Blue Whales Have Cancer? Here’s how much taller humans have gotten in the last 100 years Why has it been so hot??