Musk mentioned in a video interview that today it would cost a trillion dollars to go to Mars. In today’s article we need 100,000 trips to get a million people with necessary supplies there. So if we started flying there today, it would cost 1 trillion x 100,000. What number is that? I do have to say he mentioned we need to get the cost down to half a million, so $500,000 x 100,000 trips seems a little more realistic.
Here’s the video