Asteroids hold untold riches when it comes to “untapped resources.” We are getting closer to harvesting materials from these celestial objects, but how close are we to mining asteroids? » Subscribe to Seeker! http://bit.ly/subscribeseeker » Watch more How Close Are We | http://bit.ly/HCAWplaylist Asteroids could become the intergalactic pit stops for exploring the universe. They have the potential to become cosmic gas stations, and even the building blocks for habitats on Mars. Asteroids can be huge, and they're almost everywhere in space. Asteroid mining could yield materials like platinum, iron, nickel, and cobalt; rare minerals; water; and even elements that...
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