Considering it consumes 02 and NASA is very much against any form of 'entertainment' I'd say NO!!!
Why should drug users be accepted on any other planet, when in most cases Yankees are unavailable to consume drugs in their very neighboring state ..?
if you believe in infinite space, there's an identical planet to earth out there where there are cannabis plants out walking around and us people are the ones growing out of the ground. The cannabis plants grind us up and smoke us - illegally may I add...
mindfukt.
Depends on if hippies learn to make a space ship out of a VW.