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 Cool New Inventions That Prove We Live in the Future How Much Can You Carry? How Cow Waste Generates Electricity Sites to check before buying on Amazon This Discovery Shows Life Might Have Come From Space Did You Know When the Sun Sets it is Slightly Green?