Astronautics, or astronautical engineering, is the branch of aerospace engineering that deals with machines designed to exit or work entirely beyond the Earth's atmosphere. In other words, it is the science and technology of space flight.
The term astronautics was coined by analogy with aeronautics. As there is a certain degree of technology overlapping between the two fields, the term aerospace is often used to describe them both.
As with aerona...
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Astronautics, or astronautical engineering, is the branch of aerospace engineering that deals with machines designed to exit or work entirely beyond the Earth's atmosphere. In other words, it is the science and technology of space flight.
The term astronautics was coined by analogy with aeronautics. As there is a certain degree of technology overlapping between the two fields, the term aerospace is often used to describe them both.
As with aeronautics, the restrictions of mass, temperatures, and external forces require that applications in space survive extreme conditions: high-grade vacuum, the radiation bombardment of interplanetary space, the magnetic belts of low Earth orbit. Space launch vehicles must withstand titanic forces, while satellites can experience huge variations in temperature in very brief periods. Extreme constraints on mass cause astronautical engineers to face the constant need to save mass in the design in order to maximize the actual payload that reaches orbit....
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