Physical Evidence
Physical evidence refers to any material object that can be used to establish the existence or non-existence of a fact. In the context of space and astronautical engineering, physical evidence can include debris from a spacecraft or satellite, such as fragments of metal or other materials that can be analyzed to determine the cause of a failure or accident. Physical evidence can also include data from sensors or instruments that have been deployed in space, such as images or measurements of radiation levels or atmospheric conditions. The collection and analysis of physical evidence is an important part of investigating accidents or failures in space missions, as well as in developing new technologies and materials for use in space exploration.
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