That's assuming that you send all the mass in one launch, surface to surface. By the time it's remotely feasible to do a Europa drilling expedition, we'll probably have gotten over that phase and be assembling craft and fuel depots in orbit via multiple launches.
Originally Posted by kamaz
STARGAZING: All I see are the lights of a billion places I'll never go. Howard Tayler
I'm a cynical optimist. I think the only way out is through, but once we get through it'll be better. Very different, but better. Howard Tayler
It is not the strongest of the species that survive, nor the most intelligent, but the one most responsive to change. Charles Darwin
"It is the duty of the writers to seduce me into suspending my disbelief!" Paul Beardsley