Description: Methane Mitigation Matters: Coal Mines, Sources of Methane, Coal Mine Methane, Czech coal mine methane gas explosion kills at least 13, Underground Coal Gasification 3D Animation, How to Make Millions Fixing Methane Leaks
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Atmospheric mining is the process of extracting valuable materials or other non-renewable resources from the atmosphere. Due to the abundance of hydrogen and helium in the outer planets of the Solar System , atmospheric mining may be easier than mining terrestrial surfaces.
Atmospheric mining of outer planets has not yet begun.
Hydrogen may fuel chemical and nuclear propulsion .