Contamination
Contamination refers to the presence of any harmful substance or organism in a given environment that can negatively affect the performance, reliability, or safety of space systems and equipment. In the context of space and astronautical engineering, contamination can occur in various forms such as chemical, biological, or particulate contamination. Chemical contamination can result from the outgassing of materials used in spacecraft construction, while biological contamination can occur due to the presence of microorganisms that can survive and thrive in the harsh space environment. Particulate contamination can result from the presence of dust, debris, or other small particles that can interfere with the functioning of sensitive equipment. Contamination control is a critical aspect of space and astronautical engineering, and involves the use of various techniques such as cleaning, sterilization, and material selection to prevent or mitigate the effects of contamination.
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