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 The United Nations’ First Space Mission Is Human Waste the New Coal? Why Computers Suck At Translation Dubai’s Biotechnology Could Save the World The Science of How Nike Nearly Cracked the Two-Hour Marathon Mayan Calendar Explained – And Why The World Will Not End