"Astrionics" is a term often used in the field of aviation and aerospace engineering to refer to the study and development of electronic and electrical systems used in spacecraft and aircraft. Some common synonyms for this term include avionics, aerospace electronics, and aerospace systems engineering. Other related terms might include space systems engineering, aircraft systems engineering, and aerospace technology or engineering. Regardless of the specific term used, the focus of this field is on designing and building the complex electronic systems that keep planes and rockets functioning safely and effectively. This type of work requires a deep understanding of physics, electronics, and engineering principles, as well as a strong commitment to safety and reliability.