3.1 – How will your Moon Camp provide astronauts with sustainable access to basic needs like water, food, air and power?
Air: As previously mentioned, during the first phase of base construction, known as Operation Oxygen, large automated extractors will mine frozen water from raw deposits in the Shoemaker crater, and rovers will transport it to special refiners where it will be purified and transformed into oxygen using electrolysis. This procedure will convert 2 liters of water into 1 liter of oxygen. Our 4-person crew will consume about 8000 liters of oxygen each day. The oxygen will be transported to the base via a pipeline made out of Ti-6Al-4V titanium alloy, fitted with solar-powered pumps that will maintain a constant flow of O2. The fish tank will receive its oxygenated water from the plants in the aquaponics system.
Water: For water, we plan to build a machine that will use membrane filtration and distillation techniques to purify water extracted from nearby deposits with rovers. During Operation Life support, this water will be used to fill the fish tank and start the aquaponics circuit. After Operation New Earth, we will only need water for our astronauts (around 8l/day for 4 people), sinks (7l/min), and showers (50l/use). Once we fill up the internal water storage (which is about 2000l), we will recycle used water using the methods mentioned above. However, as no water recycling system is completely efficient, we will still need new water shipments from time to time.
Electricity: Regarding electricity, we will be using solar panels and high-density batteries. The solar panels will use perovskite technology for their 30% efficiency and ease of manufacturing. In total, we will need around 65 solar panels measuring roughly 1.6 square meters each to generate 50 kWh. To keep the solar panels clean all the time, we will use magnetic fields that will repel moon dust and other impurities. Each solar panel will generate around 762 Wh daily, and the excess will be stored in heavy-duty batteries.
We calculated this using the following formula: Energy/day = area of solar panel x solar irradiance x conversion efficiency. During times when there is no sunlight, we will be using the energy stored in batteries.
Food: For our food supply, we will utilize an innovative system called aquaponics that creates a self-sustaining environment using a fish tank, hydroponics system, and a series of pipes and filters.
The fish tank will have a capacity of 2000 liters and will yield approximately 70 kg of edible fish each year. To maximize efficiency, we have selected the trout species as it is one of the most effective medium-sized fish for cultivation.
The hydroponics system will consist of several basins for growing tomatoes and lettuce with a total area of 80 square meters, yielding a total of 1000 kg of fresh produce annually. This will provide a nutritious and balanced diet for our pioneers.
To determine the appropriate amount of fertilizer for our crops, we used the following formula: Volume of water = Total biomass of fish / Stocking density
3.2 – How will your Moon Camp deal with the waste produced by the astronauts on the Moon?
In terms of waste disposal, the biomass excreted by the pioneers will be refined into fertilizer for the aquaponics system, while the more liquid waste will be filtered and reintroduced into the water network. The water purifier will handle all of these needs and efficiently transform waste into usable materials.
3.3 – How will your Moon Camp maintain communications with Earth and other Moon bases?
Our base communicates with the Earth station and other Moon colonies through ultra-light radio signals and satellite communication. The satellite communication system uses high-end technologies and enormous amounts of solar-based power for sending and receiving video and audio signals. The 32m² radio-communications antenna on the roof of the base is capable of transmitting data at a speed of up to 201.998 km/s, which ensures the best data transmission speed.