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• Spacetime: Spacetime is a mathematical model that combines three dimensions of space and one dimension of time into a single four-dimensional continuum. In the context of space and astronautical engineering, spacetime is used to describe the geometry ... Read More >>
• Ultrasonic Testing: Ultrasonic Testing is a non-destructive testing method that uses high frequency sound waves to detect flaws or changes in material properties. In the context of space and astronautical engineering, ultrasonic testing is used to inspect crit ... Read More >>
• Red Giant Stage: Red Giant Stage is a phase in the life cycle of a star, where the star has exhausted the hydrogen fuel in its core and starts to burn helium. During this stage, the star expands and becomes much brighter, with its outer layers cooling and r ... Read More >>