Cosmic spaces are vast and infinite areas in the universe that are beyond human imagination. These spaces are not only beautiful and serene but also full of mysteries. The synonyms for cosmic spaces are many. Some of them include celestial, astral, intergalactic, stellar, galactic, and extraterrestrial. The word celestial refers to anything related to the sky or space above the Earth. Astral denotes relating to the stars and planets. Meanwhile, intergalactic refers to things existing between galaxies. Stellar means relating to a star, and galactic denotes things that are related to our Galaxy, called the Milky Way. Extraterrestrial signifies that which is beyond our planet Earth. All of these synonyms paint a picture of vastness and wonder that is associated with cosmic spaces.