Interstellar travel refers to the journey of spacecraft from one star system to another within a galaxy. It is a concept that has captured the imagination of people for decades. There are several synonyms that can be used to describe interstellar travel, each highlighting different aspects of the journey. Space exploration, intergalactic travel, deep space travel, extraterrestrial exploration, and cosmic odyssey are some suitable synonyms. These words are not only descriptive but also sound adventurous and exciting, adding to the allure of space exploration. With the rapid development of space technologies and the increasing interest in space exploration, we may soon see interstellar travel become a reality.