This entry lacks etymological information. If you are familiar with the origin of this term, please add it to the page per etymology instructions, or discuss it at the Etymology scriptorium. Particularly: “The WP article directly contradicts this, suggesting the sense of fixed: not moving has been part of this term from the beginning. C.f. Latinstellae fixae(“fixed stars”). Can anyone confirm / clarify?”
From earlier fixed star(“comet, meteor”), alteration of faxed star. Change in meaning influenced by fixed(“stationary, remaining in place”).