@ Sky diamonds

 

"In that Era there will be neither famine nor war, neither envy nor competition, for good things will flow in abundance and all the delights will be as freely available as dust. The occupation of the entire world will be solely to know G-d. The Jews will therefore be great sages and know the hidden matters, and will attain an understanding of their Creator to the [full] extent of human potential; as it is written [Yeshayahu 11:9], "For the world will be filled with the knowledge of G-d as the waters cover the ocean bed." 

Maimonides,  Hilchos Melachim ch. 12

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  Mining the Sky: Untold Riches from the Asteroids, Comets, and Planets is a book by John S. Lewis which discusses the development of interplanetary space within our solar system.

Lewis makes a prediction that the abundant natural resources of the solar system, including effectively-limitless solar energy, could support a vast civilization of 1016 people. He argues that shortage of resources is "...an illusion born of ignorance."

Lewis calculated the value of M-type asteroid 3554 Amun at US$20 trillion: US$8 trillion worth of iron and nickel, US$6 trillion worth of cobalt, and US$6 trillion in platinum-group metals.
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 Planetary Resources, a new player in the commercial space industry, is backed by a host of tech and aerospace luminaries with an integrated personal net worth on the far side of US$30 billion. A press release from the company hints that it will look to establish asteroid mining operations in space.

The President and Chief Engineer of the new company is Chris Lewicki, president of Arkyd Astronautics and former NASA Phoenix Mars Lander mission manager. A press release states, "the company will overlay two critical sectors – space exploration and natural resources – to add trillions of dollars to the global GDP. This innovative start-up will create a new industry and a new definition of natural resources."

Various Internet sources speculate, based on this statement, the name of the company, and the past interests of some of the officers and investors, that Planetary Resources will be aiming toward asteroid mining, probably with a strong robotic slant. Some types of asteroids are profligate ores of the noble metals, such as gold, platinum, iridium, and rhodium, and thus ripe for exploitation.