Hey, at least we got the iPhone!

Approximately how far have humans traveled from the surface of the Earth in your lifetime? [e.g., since 1980 or so]

• a) 600 km (low Earth orbit, 0.1 times the Earth radius)
• b) 6,000 km (about the radius of the Earth)
• c) 36,000 km (geosynchronous orbit; about 6 Earth radii)
• d) 385,000 km (about the distance to the Moon; 60 Earth radii)
• e) beyond the Moon

Answer here: http://physics.ucsd.edu/do-the-math/2011/10/why-not-space/