Editorial Feature

Mining Equipment in Space: The Future of Extraterrestrial Resource Extraction

With the resources present on Earth depleting at an alarming rate, scientists have shifted their focus toward space. In this regard, space mining, which involves extracting precious resources, is considered the future. The space mining industry and technology are progressing rapidly, highlighting that space exploration is the key to a sustainable future.

space mining

Image Credit: Vadim Sadovski/Shutterstock.com

Space Mining: An Astonishing New Frontier

Worldwide, there is a focus on exploring and utilizing resources beyond Earth's boundaries.

The Australian Government Department of Industry, Science and Resources published a comprehensive report on its strategy for space resource exploration. The plan outlines a strategic path to diversify the economy, foster international collaboration for space development, cultivate national expertise in areas where we have a competitive edge, and guarantee the safety and security of Australia's independent space infrastructure and endeavors.

Since 2016, the Luxembourg Government has been developing technology for space mining. As a part of its initiative to boost the space industry, it has collaborated and invested in companies like Planetary Resources.

Private companies have been the front runners in the space race. SpaceX, Blue Origin, Planetary Resources, and other start-ups are performing experimental studies and developing modern technology to improve space mining.

The Asteroid Mining Corporation (UK) is currently engaged in a crowdfunding campaign for its upcoming 2023 satellite mission named "El Dorado." This mission aims to perform a spectral survey of 5,000 asteroids, primarily identifying the most valuable candidates for potential mining operations.

China's Shenzen Origin Space Technology Co. Ltd. achieved a significant milestone by launching NEO-1, the inaugural commercial spacecraft designed for mining space resources. This spacecraft is equipped to perform extractions on various celestial bodies, including asteroids and lunar surfaces.

Vehicles and Equipment for Space Mining

Several organizations, companies, and researchers worldwide are developing technologically advanced vehicles and equipment for space mining.

The Arizona State BIRTH lab developed a prototype robot called CASPER (Counter-rotating Archimedes Screw-Propelled Excavation Rover). It was developed using a 3D-printed polymer that offers exceptional strength and durability.

CASPER incorporated four Archimedes screw pontoons for propulsion and utilized a straightforward actuated ramp system for excavation. Remarkably, compared to contemporary terrestrial excavation vehicles, CASPER demonstrated nearly equivalent excavation performance during space mining, utilizing only a fraction of the mass and power required by those other systems.

Specialized drones are being evaluated for exploration tasks, including initial sampling in space mining. Various companies like ispace, Kleos Space, Blue World, and Offworld are actively developing remote and autonomous systems for space exploration.

Moon: A Precious Reservoir of Rare Minerals

The Canadian Space Agency recently funded conceptual ideas and studies focused on developing strategies for mining minerals present on the moon. A total of $248,800 was granted to the Canadian Space Mining Corporation for developing mining and construction capabilities along with the in-situ processing of resources.

NASA is actively pursuing its mission to mine metals on the moon, aiming to bolster the sustainable space travel market and set the pace for an expanding space race. Among the rare minerals present on the surface of the moon, Helium-3 is of particular interest. This is because it could be processed as nuclear fuel in fusion reactors.

The energy production by Helium-3 is green and sustainable, with no emission of harmful gases or contaminants. In return, there would be no production of hazardous radioactive waste, rendering Helium-3 a viable option, as declared by the European Space Agency and other organizations.

The upcoming Viper rover mission, slated for 2023, has a significant objective: to map resources and lunar ice deposits near the moon's South Pole. Lunar ice holds immense potential, as it could be utilized for various purposes, including providing drinking water, supporting crop growth, and serving as a source for converting into hydrogen or oxygen fuel. Lunar minerals could also be extracted and used to feed 3D printers for on-site manufacturing, eliminating the need for lengthy deliveries from Earth.

A major project initiated by NASA is the Lunar Surface Technology Research program, a part of NASA's Lunar Surface Innovation Initiative, dedicated to funding early-stage technology that could potentially transition into substantial production contracts.

One notable initiative to generate oxygen for human space exploration is the Mars Oxygen In-Situ Resource Utilization Experiment, or MOXIE, which involves a payload on the Perseverance rover.

However, it is crucial to note that all these production processes, whether for water, oxygen, or metal extraction, demand substantial energy, making the endeavor challenging and resource-intensive.

Asteroid Mining: The Key to Sustainable Future

Asteroids are indeed a promising target for space mining. These miniature rocks are known to contain precious metals such as nickel, iron, and platinum group metals, which are important for many industries. The wealth of resources found in asteroids makes them highly attractive for potential mining and utilization in various space endeavors.

To promote asteroid mining, NASA launched the spacecraft OSIRIS-Rex, which has collected a sample from the surface of the planet Bennu. It is expected to return to the Earth’s surface by 2025.

Startup Astroforge is preparing to demonstrate its mining capability with a mission scheduled for April. Headquartered in California, US, it is preparing to launch its mining equipment station on a SpaceX Falcon 9 rocket. This is critical in developing asteroid mining technology, particularly for zero-G conditions.

In Situ Resource Utilization (ISRU): A Key Technology

In situ resource utilization (ISRU) is an important technology for space mining and large-scale space exploration. ISRU provides valuable materials found in asteroids and other celestial bodies, essential for sustaining human life in space, fueling spacecraft, and building components.

One promising area of ​​ISRU research focuses on finding ways to extract water from the surfaces of planets and moons. Water is essential for space exploration, serving purposes such as drinking, growing crops, and producing rocket fuel. Researchers are exploring various water extraction methods, such as drilling in the ground and solar-powered furnaces to extract water from ice. These efforts are key to making space exploration more sustainable and self-sufficient.

Problems and Challenges of Asteroid Mining

The potential and challenges of asteroid mining have ignited the imagination of scientists, entrepreneurs, and space enthusiasts. With Earth's natural resources facing depletion, harnessing the immense wealth of minerals and metals in asteroids has gained considerable appeal.

There are substantial technical, economic, and regulatory challenges related to asteroid mining. Among the foremost obstacles is developing cost-effective and dependable space transportation systems. Present-day rocket technology is known for its high costs and inefficiencies, making it a formidable challenge to justify the substantial expenses of launching mining equipment into space and bringing extracted resources back to Earth.

The harsh environment of space presents another formidable challenge for asteroid mining. The low gravity on asteroids makes it challenging to anchor mining equipment and prevent the loss of valuable materials, as they can easily float away. Moreover, the extreme temperature fluctuations, high levels of radiation, and vacuum conditions pose significant risks to both human operators and robotic systems.

The regulatory framework surrounding asteroid mining remains uncertain, with numerous legal and ethical questions awaiting resolution. The Outer Space Treaty of 1967, a foundation of international space law, explicitly prohibits states from asserting sovereignty over celestial bodies but does not provide clear guidelines on resource acquisition.

This ambiguity has raised concerns about the possibility of a "space race" to exploit asteroid resources, potentially leading to conflicts and disputes among spacefaring nations. Addressing these legal and ethical challenges is crucial for establishing a fair and sustainable framework for asteroid mining activities in the future.

Space mining may help address the growing demand for natural resources, and despite being in the developmental stage, the integration of artificial intelligence, robotics, and autonomous vehicles may lead to substantial rewards critical to human survival in the future.

As technology advances and issues related to space laws are resolved, the rapid commercialization of the mining industry in space appears likely, paving the way for a bright and resource-rich future beyond Earth's boundaries.

Read More: Space Mining Developments: Balancing Renewable Resource Needs with Solar System Sustainability

References and Further Reading

Australian Government Department of Industry, Science and Resources, 2019. Australian Civil Space Strategy 2019–2028. [Online] Available at: https://www.industry.gov.au/publications/australian-civil-space-strategy-2019-2028 [Accessed 23 September 2023].

Brinkmann, P., 2022. NASA expands research into mining lunar ice, minerals to sustain humans on the moon. [Online] Available at: https://www.upi.com/Science_News/2022/03/07/NASA-lunar-mining-Artemis/7281646426839/ [Accessed 25 September 2023].

Britt, H., 2022. Companies Are Preparing for Space Mining. [Online] Available at: https://www.thomasnet.com/insights/companies-are-preparing-for-space-mining/ [Accessed 23 September 2023].

Cohen, A., 2022. China’s Space Mining Industry Is Prepping For Launch – But What About The US?. [Online] Available at: https://www.forbes.com/sites/arielcohen/2021/10/26/chinas-space-mining-industry-is-prepping-for-launch--but-what-about-the-us/?sh=4e2c0fbc2ae0 [Accessed 24 September 2023].

Frąckiewicz, M., 2023. The Potential and Challenges of Asteroid Mining. [Online] Available at: https://ts2.space/en/the-potential-and-challenges-of-asteroid-mining/ [Accessed 25 September 2023].

Government of Canada, 2023. The Canadian Space Agency funds novel ideas for potential Moon infrastructure. [Online] Available at: https://www.asc-csa.gc.ca/eng/funding-programs/programs/stdp/funding-potential-moon-infrastructure.asp [Accessed 25 September 2023].

Green, M., 2021. Screw-propelled robots could enable mining in space. [Online] Available at: https://www.advancedsciencenews.com/screw-propelled-robots-could-enable-mining-in-space/ [Accessed 24 September 2023].

Harshberger, C., 2023. NASA Speeds Up Quest to Beat China to Mining Metals on the Moon. [Online] Available at: https://news.bloomberglaw.com/federal-contracting/lunar-mining-dreams-prod-nasa-to-explore-space-tech-advancements [Accessed 25 September 2023].

Insight, 2023. The Future of Resource Extraction: Space Mining. [Online] Available at: https://www.tomorrow.bio/post/the-future-of-resource-extraction-space-mining-2023-06-4603049094-space [Accessed 26 September 2023].

Kan, M., 2023. Asteroid-Mining Startup to Test Its Technology in Space This Year. [Online] Available at: https://www.pcmag.com/news/asteroid-mining-startup-to-test-its-technology-in-space-this-year [Accessed 26 September 2023].

Universe Wiki, 2021. https://universe.wiki/2021/08/02/space-mining-is-the-industry-of-the-future/. [Online] Available at: https://universe.wiki/2021/08/02/space-mining-is-the-industry-of-the-future/ [Accessed 22 September 2023].

Disclaimer: The views expressed here are those of the author expressed in their private capacity and do not necessarily represent the views of AZoM.com Limited T/A AZoNetwork the owner and operator of this website. This disclaimer forms part of the Terms and conditions of use of this website.

Ibtisam Abbasi

Written by

Ibtisam Abbasi

Ibtisam graduated from the Institute of Space Technology, Islamabad with a B.S. in Aerospace Engineering. During his academic career, he has worked on several research projects and has successfully managed several co-curricular events such as the International World Space Week and the International Conference on Aerospace Engineering. Having won an English prose competition during his undergraduate degree, Ibtisam has always been keenly interested in research, writing, and editing. Soon after his graduation, he joined AzoNetwork as a freelancer to sharpen his skills. Ibtisam loves to travel, especially visiting the countryside. He has always been a sports fan and loves to watch tennis, soccer, and cricket. Born in Pakistan, Ibtisam one day hopes to travel all over the world.


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