Learn about the possibility of extracting valuable materials from asteroids in this video excerpt from NOVA. Some asteroids may contain abundant amounts of materials—such as water, platinum, and gold—that companies could mine for profit. Water that has been mined from an asteroid could be separated into its components (hydrogen and oxygen) to create rocket fuel. The mining and processing of water on asteroids would revolutionize space exploration by enabling spaceships to refuel in space. Several companies are working on the technology to prospect for, and mine, suitable asteroids.
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