Um, Actually Famed astrophysicist and science fiction pedant Neil deGrasse Tyson doesn't think very highly of multi-hyphenate billionaire Elon Musk's desperate desire to deliver humanity to Mars. During a chat with Bill Maher — who has plenty of quibbles with the plan himself — last week,

I don't see it happening until governments judge that it's geopolitically in our interest,” he said in conversation with Donna Brazile and Andrew Young.

Elon Musk defended his Mars colonisation plans after Neil deGrasse Tyson mocked the idea, stating that Mars is crucial for humanity's long-term survival. He also noted he won't seek venture capital funding.