DC
DC stands for Direct Current, which is the continuous flow of electric charge in one direction. In space and astronautical engineering, DC is commonly used in electrical systems of spacecraft and satellites. DC power is preferred over AC (Alternating Current) power in space applications due to its reliability and efficiency. DC power is also used in electric propulsion systems, which are becoming increasingly popular for spacecraft propulsion. These systems use electric fields to accelerate charged particles, such as ions, to generate thrust. DC power is also used in solar panels, which convert sunlight into electrical energy. The electrical energy produced by solar panels is typically in the form of DC power, which is then converted into AC power for use on Earth.
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