SpaceX CEO Elon Musk wants to put humans on Mars in the next 10 to 15 years.
Astrophysicist Neil deGrasse Tyson doesn’t think a private enterprise, such as SpaceX, could ever lead a space frontier, saying:
“It’s not possible. Space is dangerous. It’s expensive. There are unquantified risks. Combine all of those under one umbrella; you cannot establish a free market capitalization of that enterprise.”
Watch.