Stan Beer
Monday, 04 December 2006 04:00
Science -
Space
Stephen Hawking, the genius who wrote a best seller that most readers couldn't understand, believes the human race is destined to colonize planets in other star systems. However, Hawking's vision sounds more like the cult space western series Firefly than Star Trek.
As far as Hawking is concerned, planet earth one
way or another will meet its destruction. The way forward, however, is
not to go boldly forth and meet alien civilizations a la Star Trek.
In Hawking's future, humans will become space pioneers who tame and
inhabit suitable planets outside our solar system, much like the
Firefly series which features a team of space rebels aboard the space
ship Serenity who make a living trading contraband between the outer
colonies of a loosely knit federation of planets.
There are no alien civilizations, just an authoritarian central
government and no mention is made of what became of Earth other than it
is where everything started. Oh yes, and everybody speaks both English
and Chinese because the US and China were the two surviving superpowers.
Hawking has not said whether his vision is inspired by Firefly but the
space ship Serenity doesn't feature a faster than light warp drive,
just plain old rocket propulsion. According to Hawking, if we can
harness the power of anti-matter for our rocket propulsion, we could
reach near light speeds, taking us to the nearest star system within
six years. Hawking doesn't say it but, according to Einstein, six years
may seem like just six weeks to those on board the space ship because
of the time contraction effects that occur at near light speeds.
What Hawking also doesn't say is that the nearest star system probably
doesn't have any planets that can support human life. Earth is pretty
special in that regard, so the nearest star system with inhabitable
planets could be hundreds or thousands of years away even at near light
speeds.
In the Firefly series, they solve that problem by turning uninhabitable
planets into Earth clones using a process called terra forming.
Unfortunately, at present, us humans can't even keep our own atmosphere
under control let alone tame the atmosphere of another planet.
Thus, for the time being at least, if we are to colonize another
planet, we may have to content ourselves with a future more like that
of Governor Arnie's Total Recall, where humans live in domed cities on
planets like Mars. First, however, we really should finish the
international space station and hope like crazy that nuclear war
doesn't break out, a new ice age doesn't sweep the planet or an
asteroid doesn't bring on an extinction level event.