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Living in a post-human era

india Updated: Aug 27, 2012 21:51 IST
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The first arrival of earthly life on another celestial body ranks as an epochal event not only for our generation, but in the history of our planet. Neil Armstrong was at the cusp of the Apollo programme. Apollo 11 landed on the moon only 12 years after the launch of Sputnik, and only 66 years after the Wright brothers’ first flight. Had the pace been sustained there would by now be human footprints on Mars. But the moon race was an end in itself, driven by the urge to beat the Russians; there was no motive to sustain the huge expenditure.

It is now 40 years since Harrison Schmidt and Eugene Cernan, the last men on the moon, returned to Earth. To the young, this is all ancient history. They learn that America landed men on the moon just as they learn that the Egyptians built the pyramids, but the motivations seem as bizarre in the one case as in the other. Manned spaceflight has lost its glamour because it hardly seems inspiring, 40 years after Apollo, for astronauts merely to circle the Earth in the space shuttle.

We depend on space technology for communications, weather forecasting, mapping, position-finding and so forth quite apart from the science it has given us. But this doesn’t need astronauts. In the coming decades, the entire solar system will be explored by flotillas of unmanned craft. It is realistic to expect robotic fabricators, building large structures, or perhaps mining rare materials from asteroids. But will people venture back to the moon, and beyond? The need weakens with each advance in robots and miniaturisation. But deep space still beckons as a long-range adventure for — at least a few — humans.

There’s no denying that an observant geologist might make startling discoveries that Nasa’s recently-landed Curiosity rover would overlook. But the current cost gap between manned and unmanned missions is huge. This is partly because Nasa has become constrained by public and political opinion to be too risk-averse. The space shuttle’s two failures in its 135 launches were national traumas in the US, though that is a risk-level that astronauts would willingly accept.

Indeed Neil Armstrong, who landed the tiny Eagle module with the aid of no more computer power than we have in a washing machine today. Future expeditions to the moon and beyond will only be politically and financially viable if they are cut-price ventures, spearheaded by individuals with the right stuff of the Apollo astronauts, prepared to accept high risks — perhaps even “one-way tickets”. They may be privately-funded adventurers.

It is foolish to claim that emigration into space offers a long-term escape from Earth’s problems. Nowhere in our solar system offers an environment even as clement as the Antarctic or the top of Everest. Nonetheless, a century or two from now, small groups of intrepid adventurers may be living independent from the Earth. Whatever ethical constraints we impose here on the ground, we should wish such pioneers good luck in genetically modifying their progeny to adapt to alien environments: the post-human era would then begin. Armstrong would then indeed have prefigured “one giant leap for mankind”.
The Guardian