Space mining | Wikipedia audio article
Channel: wikipedia tts
Date: 2019-03-27

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Asteroid_mining


00:01:19 1 Purpose
00:04:38 2 Asteroid selection
00:08:16 2.1 Asteroid cataloging
00:09:47 3 Mining considerations
00:14:33 4 Extraction techniques
00:14:43 4.1 Surface mining
00:15:10 4.2 Shaft mining
00:15:37 4.3 Magnetic rakes
00:15:54 4.4 Heating
00:17:08 4.5 Extraction using the Mond process
00:17:55 4.6 Self-replicating machines
00:19:40 5 Proposed mining projects
00:25:05 6 Companies and organizations
00:25:21 7 Potential targets
00:25:43 8 Economics
00:28:50 8.1 Scarcity
00:31:33 8.2 Financial feasibility
00:35:05 9 Regulation and safety
00:38:52 9.1 The Outer Space Treaty
00:41:46 9.2 The Moon Agreement
00:44:21 9.3 Legal regimes of some countries
00:46:54 10 Environmental Impact
00:47:32 11 Missions
00:47:41 11.1 Ongoing and planned
00:48:14 11.2 Completed
00:48:26 12 In fiction
00:50:20 13 Gallery
00:50:29 14 See also



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SUMMARY
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Asteroid mining is the exploitation of raw materials from asteroids and other minor planets, including near-Earth objects.Minerals can be mined from an asteroid or spent comet, then used in space for construction materials or taken back to Earth. These include gold, iridium, silver, osmium, palladium, platinum, rhenium, rhodium, ruthenium and tungsten for transport back to Earth; iron, cobalt, manganese, molybdenum, nickel, aluminium, and titanium for construction.
Due to the high cost of spaceflight, inaccurate identification of asteroids suitable for mining, and ore extraction challenges, terrestrial mining remains the only means of raw mineral acquisition today. If space program funding, either public or private, dramatically increases, this situation is likely to change in the future as resources on Earth are becoming increasingly scarce and the full potentials of asteroid mining—and space exploration in general—are researched in greater detail. However, it is yet uncertain whether asteroid mining will develop to attain the volume and composition needed in due time to fully compensate for dwindling terrestrial reserves.