There are several synonyms for the term "astro station" that can be used interchangeably depending on the context. Some of the most common synonyms include space station, orbiting laboratory, and celestial habitat. A space station is an artificial facility that is placed in orbit around the Earth or other celestial body to support scientific research and technological advancements. An orbiting laboratory is a scientific facility stationed in space that allows for experiments and research to be conducted in zero gravity. A celestial habitat refers to a permanent living space in space that is created for astronauts to live in long-term. Each of these synonyms has its own unique connotation, but all refer to human-made facilities in space used for various scientific and exploratory purposes.