Are there other Earth like planets...

When do you think we'll have the capabilities to explore other planets and colonize em or do you think an Alien species will find us first...

Source: http://www.mmaforum.com/debate-club/102383-there-other-earth-like-planets.html

Noboru Asahi Marcus Aurelio  Mikhail Avetisyan Luiz Azeredo  Luciano Azevedo