Space Exploration Technologies Corp. (SpaceX) founder Elon Musk is aiming for a $200,000 per person price tag for getting to Mars, he said Tuesday during an unveiling of his plan to establish a colony on the “red planet.”During a presentation at the International Astronautical Congress (IAC) convention in Mexico, Musk estimated it would cost roughly $10 billion per person to get to Mars using traditional propulsion methods. Musk justified his estimate by using Apollo cost estimates, saying it cost the…