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?
Source: DNews
Read more:
Space Future
Space Exploration Books
Spaceships & Rockets
The Future of Mars Exploration
The Future of Moon Exploration
Asteroid Mining
Space Colonization, How Many People Would We Need To Colonize Another Earth

Donate BTC: 1DUUZbiqjbJvzjuRZEwTS47bqgmnhEJ4XG

Donate ETH: 0x981FcEAAa895C6cee76D2876e9AfC649Dc0C4c75

More Posts:

Next Level Glider For The Air Transportation
3D Printed Car With Fully Customizable Exterior
A Robot To Clean Up Your Mess At Home (+VIDEO)
Crystal Ball Camera
First Human Colony On Mars To Run A Live Reality Show (+VIDEO)
LifeBot 5: All-in-one Telemedicine Hub
The Clever World Of Artificial Intelligence (VIDEO)
4-Gigapixel Mars Panorama Created Using 407 Photos Taken by Curiosity Rover (Martian Solar Days...
Meet Spot, The Newest Four-Legged Robot From Boston Dynamics
WhammyPhone: Bending Sound with a Flexible Smartphone