What Do We Have To Do To Build A Moon Base Today

Humans dream about leaving Earth and traveling through the galaxy. But we were born too early to be part of it. Or were we? The reality is, we could begin our dream by building a Moon base today. We actually do have the technology and current estimates from NASA and the private sector say it could be done for 20 to 40 billion dollars, spread out over about a decade. The price is comparable to the International Space Station or the budget surplus of Germany in 2017.

Not that big an investment really. The payoff would be immeasurable. The Moon is a sandbox to develop new technologies and exploit unlimited resources. It would start a new space race and lay the foundation for us to spread out into the solar system and beyond. It would create a vast array of new technologies to benefit us on Earth and we would all be part of it.

So, why aren’t we doing it?

Well, sadly, it’s hard to get governments interested in long-term investments in the future of humanity. Let’s imagine, just doing it. If we start today, how would we build a Moon base?

Throughout history, colonization happened in phases: In the first phase of the age of exploration f the new world, for example, European monarchs funded expeditions to chart and discover and to stake their claims. They planted a flag and set up a camp, but they didn’t stay. In the second phase, small missions set up outposts and settlements were founded, which was still very dependent on their home countries for supplies. Some failed, but others survived and established a permanent presence.

Only then, in the third phase, did a true colony form to which tradesmen and laborers could emigrate, creating new wealth and opportunities for themselves and their families, sending extreme wealth back to their countries of origin. When we colonize the Moon, we’ll go through the same three phases. This time, without murdering millions of innocent people in the process.

Living in the Moon of Earth

The Moon is not a welcoming place for living things. A Moon day lasts 29 Earth days, with a difference of maybe 300 degrees Celsius between sunlight and shade. There’s no atmosphere to shield us from meteorites, big and small or cosmic radiation. Worse still, a layer of nasty jagged dust is covering the lunar surface. The Moon is hard. But we’re good at doing hard things.

Phase 1

In the first phase of lunar colonization, our explorers proved it can be done that a new world can be reached. This phase started 60 years ago with the Apollo missions. Since then, satellites like the American Lunar Reconnaissance Orbiter have mapped the Moon, while rovers like the Chinese Yutu (玉兔), have studied the composition of the lunar surface, Looking for water, ice, and metals. Phase one is more or less complete. We know what we need to know to enter phase two.

Phase 2

In the second phase, astronauts will build the first Moon

base and this could begin today. We can complete the first moon base in a decade. The first nation that establishes this base, will be akin to the first nations building outposts in the new world 500 years ago. It’s expensive to send rockets to the Moon. So, we’ll send it as little as possible. The base will be light, little more than inflatable habitats for crews of no more than 12, and will be deployed somewhere with natural shelter.

Options include caves, like underground lava tube tunnels, for craters near the poles, where the days are six months long. These astronauts won’t stay long. We will likely have to abandon the habitat between missions, as solar panels cannot generate electricity during the lunar night.

But they’ll do the groundwork to enable humans to stay permanently. Our first crew will consist of scientists and engineers who will study the composition of the Moon, whose experiments will explore ways of using the available lunar material. Say, purifying the lunar ice, and turning it into the water for human use. And water is important for far more than drinking. They can use it to experiment with growing plants for food. Hydrogen fuel cells will store power through the long night, extending astronauts’ stays.

And most importantly: we could split it into hydrogen and oxygen. Rocket fuel! By harvesting water from the Moon and putting it into orbit, the Moon base will supply an orbital depot. Where scientific missions to Mars and the outer solar system can refuel. Compared to the Earth, it’s much easier and cheaper to get things off the Moon into orbit. Colonizing Mars may mean starting from the Moon. But this isn’t a true colony, not yet. Astronauts will have to abandon the base if funding stops.

Phase 3

If we want our base to grow into the third phase, into a true colony, it must become self-sufficient supporting itself via exports to Earth. Now, private contractors arrive looking to get rich off lunar resources and support services. If it’s cheaper to produce rocket fuel in space, what else can they get rich on? They could extract precious metals, abundant in impact craters, and other raw materials from the lunar regolith. One promising possibility is the mining of Helium-3, an isotope that could one day be used in nuclear fusion reactors, something the Chinese lunar exploration program is currently looking into. Future colonists may export Helium-3 back to Earth, providing us with cheap and clean fusion energy. Astronauts could pull asteroids in the orbit of the moon and then mine them.

With commercial exports to Earth, the colony is fully in its third phase, self-sufficient and economically productive. Our base will begin using lunar material in its construction projects if it’s to continue growing. Fortunately, lunar soil has all the necessary ingredients to make concrete. Robotic mining rigs can sift the lunar dust for organic molecules and could be used to build huge structures way too massive to be brought from Earth. While advances in 3D printing will make it possible to produce almost everything else the crews need. It’s hard to say when exactly the colony becomes self-sustaining. Growth is gradual, experiments are replaced by industry and the population steadily reaches the hundreds, encompassing more than just scientists. Engineers, pilots, and contractors representing countries and corporations will be present.

Birth in Space

Two of these people will make a breakthrough. Not scientific, but social. They will have the first extraterrestrial child. Throughout history, the birth of the first child was celebrated as a moment where the seed of a colony finally and irreversibly took root. Here, it means that the Moon is not just a place for scientists and engineers to work, it’s a place for people to live, to raise a family. Once this transition happens, the colony grows rapidly, building more habitats and schools and farms and all the things needed to support the growing population. As our colony grows, all kinds of new technologies will be invented to sustain it.

They might develop crops that efficiently recycle carbon dioxide, or they grow with very little water. They might find ways to recycle and reuse 100% of their waste, technologies that are extremely valuable for Earth. And, they could even build the first space elevator in the solar system. With a space elevator, spacecraft, astronauts, and raw materials could be brought back and forth from lunar orbit, without needing to use rockets at all. The Moon may become a hub for economic activity on a scale that’s hard to imagine right now. It’s hard to say who will own the colony at this point. Will the first person born on the Moon takes the national identity of their parents, or will a new generation meld together into a new lunar society?

And when existing treaties that bar any nation from owning the moon are inevitably rewritten, will the colonists be given a say? Will they declare independence from the Earth? However it happens, the Moon is a perfect sandbox to learn how to colonize the Solar System, the perfect project unify nations, and the only way to guarantee our survival as a species, should something tragic happen on Earth? If we ever want to colonize the Milky Way, we’ll have to start somewhere. So why not start there?

Full Credit: Kurzgesagt

Image Credit: Kurzgesagt, Freepik

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