Transportation Science
How expensive is space exploration? Take the quiz and name the price!
Warning: It might be hard to comprehend the amount of money we're discussing here. Space stations and missions to Mars don't come cheap, of course, and when you're contemplating the difference between $104 billion and $140 billion you could lose all sense of perspective. Estimating the cost of these massive endeavors could give you a headache, but give it your best shot. How much do you know about the true costs of space exploration?
