What is another word for cosmic stepping-stones?
Pronunciation: [kˈɒzmɪk stˈɛpɪŋstˈə͡ʊnz] (IPA) 
Cosmic stepping-stones refer to the celestial objects that serve as markers for space exploration. These can include planets, stars, asteroids, and other celestial bodies. There are several synonyms for cosmic stepping-stones, including astronomical landmarks, interstellar checkpoints, heavenly guideposts, celestial waymarks, and cosmic navigational aids. All of these terms describe the importance of using celestial objects to guide our understanding and exploration of the universe. Whether using telescopes or robotic rovers, scientists and astronomers rely on these cosmic stepping-stones to help them navigate and explore the vast expanse of space. Without them, space exploration would be much more difficult and less precise.
