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Asteroid mining is the hypothetical extraction of materials from asteroids and other minor planets, including near-Earth objects. [1] ... (PDF) on 2011-12-12
The head of planetary defense at the European Space Agency discusses 2024 YR4, an asteroid with a small chance of striking Earth eight years from now. Key facts about asteroid that could hit Earth ...
A specific argument for asteroid colonization is the potential economic gain from asteroid mining. Asteroids contain a significant amount of valuable materials, including rare minerals and precious metals , which can be mined and transported back to Earth to be sold.
Mining the Sky: Untold Riches from the Asteroids, Comets, and Planets, is a 1997 book by University of Arizona Planetary Sciences professor emeritus John S. Lewis that describes possible routes for accessing extraterrestrial resources, either for use on Earth or for enabling space colonization. [1]
With minerals in short supply on Earth, private companies such as California-based AstroForge and international space agencies are turning to the prospect of asteroids in space.
An asteroid nearly the size of a football field now has roughly a 0.28% chance of hitting Earth in about eight years, NASA says — though at one point earlier its estimate reached as high as 3.1% ...
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Matt Anderson defines successful asteroid mining as "the development of a mining program that is both financially self-sustaining and profitable to its investors". [149] It has been suggested that asteroids might be used as a source of materials that may be rare or exhausted on Earth, [ 150 ] or materials for constructing space habitats .