How Do We Know The Universe Is Flat? Have you ever wondered how astrophysicists know that the universe is flat? Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts NASA released a simulation of all 2017s Hurricanes What Do ‘Natural’ and ‘Artificial’ Flavors Really Mean? The Future Of Warfare: Laser Cannons & Drone Armies How Blue LEDs Changed the World How Future Humans Could Harness The Sun As An Unlimited Source Of Power 50,000 Year Old STRANGE ‘Super’ Life Forms Found Trapped Inside Giant Crystals