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name=Iron... '''Iron''' is a Transition Metal in group 8.

...ve oxygen production as the primary goal usually focus on reduction of the iron content of ilmenite. ...ng tested by many Universities. Products of hydrogen reduction are free [[iron]], [[rutile|titanium dioxide (TiO₂)]], and [[water]], which is [

...O₃) and enstatite (MgSiO₃). The pyroxene we need for iron will have either Fe⁺²Fe⁺²(Si,Al)₂O<sub>6</ ...e₂Si₂O₆ tells you that there is exactly 2 iron, 2 silicon, and 6 oxygen atoms making up that molecule. It can get confusin

(which require vacuum, free on Luna) to fuse powdered by weight. Iron, steel and iron alloy (e.g. iron-aluminides,

...Metals | platinum group metals]]. Bulk commodities consist of nickel and iron mined from asteroids, oxygen, aluminum and titanium from the moon, and othe *[[Free Iron]]

...[[Railroads]] would be a better option. It would depend upon the cost of iron rails on a supporting framework compared to the cost of glass block paving

...or storing cryogenic gasses, increased industrial facilities for producing iron, aluminum, silicon, solar cells, sintered bricks, glass and fiberglass. Ca

| Iron || align=right | 96.10 nΩ·m || align=right | 7.150 g·cm⁻³ | == Iron ==

...alt]] for two hours at 1,100 degrees Celsius. Resulting bricks were crack free except for small expansion cracks near the top surface, with negligible red ...provides a means of [[oxygen|oxygen retrieval]] as well as increasing the iron content so that bricks can be lifted using a magnet.

...rface will experience wear at an accelerated rate. Paving a road with dust free materials does not solve the problem because the sunlight will cause the du ...odel gauge can be hundreds of tons a day. The rails can be made from local iron. Operating costs would include interest on the capital investment, mainten

...craft. Fuel for spacecraft could be launched by mass driver to a depot in free space. Some proposals include using electric acceleration devices (mass dr *The moon's regolith is rich in oxygen, titanium, silicon, aluminum, iron and magnesium. Hydrogen has been detected in significant amounts.

...in one orbital or another. The orbitals are more restricted in space than free electrons. They are associated each with its characteristic frequency. Th ...ating with an atom nucleus. When it gets enough energy to be a completely free electron, it is blown up like a balloon. Two classical particles cannot oc

...oid hitting the walls. The choice between rocket-sled cargo launching and free flying rocket is a matter of which technology is most easily verified by de ...ed can use one of various deceleration techniques to use fuel recycling. A free flying rocket continues on in orbit to an orbiting depot where another tube

We now need energy sources that could free us from our dependence on foreign energy, reduce pollution, and provide cle ...available for space operations. These include: [[hydrogen]], [[water]], [[iron]], and [[titanium]]. These materials will greatly reduce the cost of operat

...rogen burnt as fuel. Lunar exports of oxygen, silicon, aluminum, calcium, iron, magnesium, titanium, sodium, glass, solar cells, bare and insulated wire, ...materials will be used to build a space-based solar power system that will free humanity from excessive fossil fuel use. Fifth space habitats will be buil

...outside wall is a continuous track. If you wear a track suit filled with iron pellets recovered in the mining operation (Ironman), you can almost run as ...y. Viewing the universe with the naked eye is now the most popular use of free time for people in space.

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