How Many People Would We Need To Colonize Another Earth? Various companies are working to settle on other planets. How long would it take and what issues would we face along the way? Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts There Are 30,000 Particle Accelerators In The World; What Do They All Do?! We Could Harvest Electricity from Human Tears, This Is How It Works Why It’s Almost Impossible to Ride a Bike 60 Kilometers in One Hour Why Are Most Galaxies Spiral-Shaped? The Future of Brain-To-Brain Communication What If The President Were A Robot?