Here's Tyson's account of Bush's response to 9-11:
Bush and Star Names

An inviting vest and the ability to punch a motherfucker? Maybe. Understanding the math for string theory is something else. He doesn't excel in that area.

Kriss isn't dissing science. He's dissing Tyson.

Tough skepticism is part of science. I recommend your cousin read some Richard Feynman. Those movies that try to get the science right should welcome receiving tough peer review.

Tyson's trailer has a flaw. At 1:15 he says Hermes departs from low earth orbit. With the poor thrust of an ion engine, it would take more than a month to spiral out of earth's gravity well. Most of that slow spiral would be through the intense radiation of the Van Allen Belts, not good for passengers.

Tyson's trailer is badly inaccurate at 1:15. Hermes ion drive has very poor thrust. Departing from Low Earth Orbit it would take the ship more than a month to spiral out of earth's gravity well. Most of that slow spiral would be in earth's Van Allen Belts — very bad for the human passengers. In Tyson's scenario,…