Hydro

Hydro is a prefix that refers to water or hydrogen. In the context of space and astronautical engineering, Hydro can refer to the use of hydrogen as a fuel source for rockets and spacecraft. Hydrogen is a highly efficient fuel that produces a high amount of energy when burned with oxygen. It is also a clean fuel, producing only water vapor as a byproduct. Hydrogen fuel cells are also used in spacecraft to generate electricity and provide power for various systems. Additionally, Hydro can refer to the study of water and its properties in space, including the search for water on other planets and moons, and the development of technologies for extracting and utilizing water resources in space.
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