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• Primitive Elements: In space and astronautical engineering, primitive elements refer to the basic building blocks of the universe, such as hydrogen, helium, and lithium, which were formed during the Big Bang. These elements are the most abundant in the univers ... Read More >>
• Treaty: In the context of space and astronautical engineering, a treaty is a formal agreement between two or more nations that regulates activities in outer space. The most well-known treaty in this field is the Outer Space Treaty of 1967, which es ... Read More >>
• Passive Heat Exchangers: Passive heat exchangers are devices that transfer heat between two fluids without the use of external power. In space and astronautical engineering, passive heat exchangers are used to regulate the temperature of spacecraft and their compon ... Read More >>