A recent study suggests that asteroids could be used as a potential source of sustenance for astronauts on long space missions, expanding the possibilities of human space exploration. The research, led by the University of Glasgow’s School of Physics and Astronomy, proposed that bioengineered bacteria could be used to break down the rocks of asteroids into valuable components like soil, water and even food.
The process, known as bio-mining, is already used on Earth to extract metals from rocks. In the context of space exploration, however, the technique could be utilized to create a sustainable life-support system for astronauts during long-duration space missions. Bio-mining in space could help alleviate issues around carrying enough supplies for long missions, or needing to find resources on other planets.
The bacteria would be able to break down the asteroids into basic components, such as water and nutrients, creating a form of soil. The soil could then be used to grow food, providing astronauts with a renewable source of sustenance. The bacteria could also be genetically engineered to produce specific nutrients or even medicines.
The research team recreated asteroid material in the lab and used a bacterium, Bacillus subtilis, which is already being used in space for various experiments. The bacterium was found to grow well in the asteroid-like environment, demonstrating the feasibility of the concept.
The use of bio-mining in space could revolutionize how we approach long-duration space travel. Currently, the biggest challenge to such missions is the need to carry enough supplies, especially food and water, for the entire journey. By using bio-mining to create a sustainable source of food and water, the weight and cost of space missions could be significantly reduced.
Moreover, the technique could also be used to produce fuel, further enhancing the sustainability of space missions. The water produced through bio-mining could be split into hydrogen and oxygen, which could then be used as rocket fuel. This prospect opens up the possibility of self-sustaining missions that could travel further into space than ever before.
While the research is still in its early stages, it represents a significant step forward in the field of astrobiology and the future of space exploration. However, implementing such technology would require further research and development, including testing in space.
This study adds to the growing body of research exploring how we can utilize the resources available in space to support human exploration. It also underscores the important role that biotechnology could play in the future of space travel.
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