There is something extraordinary about seeing the Earth from space.
And it is moving.
We rarely if ever think about that as we go about our everyday lives, even though we measure our lives in the number of orbits completed. The ground beneath our feet feels reassuringly solid and permanent. Yet the Earth is turning constantly, carrying us through day and night while also travelling around the Sun in a cycle that has governed life for billions of years.
But even that is only one part of the journey.
The Sun itself is moving, carrying the Earth and the rest of the Solar System on a vast orbit around the centre of our galaxy. One complete trip around the Milky Way takes hundreds of millions of years.
Our days are measured in hours. Our lives in decades. Civilisations in centuries or perhaps millennia.
The universe keeps a very different clock.
Perhaps that difference in scale is one reason we find it so difficult to think about our planet in the long term.
We are remarkably good at changing the world around us. We have cleared forests, diverted rivers, crossed oceans, split the atom and built machines capable of seeing almost to the beginning of the universe.
We have also changed the atmosphere, polluted oceans, destroyed habitats and consumed resources that took geological ages to create.
None of this means that humanity is incapable of understanding the consequences. Quite the opposite. We are probably the only species on Earth capable of recognising what we have done and deliberately deciding to do something differently.
But there is an interesting question hidden inside that thought.
What if we are not the only intelligence capable of understanding a planet?
Not necessarily visitors arriving in spacecraft. Not little green men stepping onto the White House lawn. Intelligence may not have to look anything like us at all.
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Earth photographed by the Apollo 17 crew, December 1972. Image: NASA. |
What if another kind of intelligence could examine the Earth without seeing it through the same assumptions that we do?
Perhaps it would notice relationships that we have overlooked.
Perhaps it would understand systems that appear impossibly complicated to us.
Perhaps it would see solutions where we see compromises.
Or perhaps it would look at what humanity has done and learn something from our mistakes.
That's the part that I find particularly interesting.
Whenever we imagine encountering a greater intelligence, we tend to assume that the learning would all travel in one direction. We would be the students. It would have the answers.
But intelligence isn't the same thing as experience.
Humanity has spent thousands of years experimenting with civilisation. We have succeeded spectacularly at some things and failed equally spectacularly at others. We have created art, medicine, science and technology while repeatedly demonstrating an extraordinary ability to damage the very systems on which we depend.
There may be knowledge hidden in plain sight within those failures.
An intelligence capable of understanding our planet better than we do might still have something to learn from watching us live upon it.
What happens when resources are treated as limitless?
What happens when short-term interests outweigh long-term consequences?
What happens when knowledge advances faster than wisdom?
And, perhaps most importantly, what happens when a species finally understands that something has gone wrong and tries to put it right?
Because for all the damage humanity has caused, we have also demonstrated another characteristic.
We repair things.
We restore habitats. We clean rivers. We protect species. We develop cleaner technologies. We change laws, behaviours and expectations when enough of us understand why change is necessary.
Not always quickly enough. Not always successfully.
But we can learn.
Perhaps that is what another intelligence might find most interesting about us.
Not that we made mistakes.
But that eventually, sometimes painfully, we recognised them.
Seen from far enough away, Earth is not a collection of nations, economies or competing interests. It is one extraordinarily complicated living system travelling through space.
And as far as we currently know, it is the only home we have for the foreseeable future.
One planet.
One small blue world turning around an ordinary star, while that star makes its immensely longer journey through the galaxy.
We are all passengers on it for only the briefest moment.
The question isn't simply whether another intelligence might know how to look after it better than we do.
Perhaps the more interesting question is:
What could we learn from each other?
Michael Rowan
North Somerset, UK.


