The term planet has a lot of synonyms due to different cultures, languages, and times associated with it. There are various old synonyms of the word planet, like wandering star, which derived from the fact that ancient astronomers thought planets were stars that moved in a wandering way across the sky. There are also modern-day equivalents such as exoplanet, dwarf planet, and rogue planet which relate to the more specialized categories of planets. Additionally, astronomical terms like celestial body, solar body, heavenly body, and astral body are often used to refer to planets. The diversity of planetary synonyms highlights the rich history and ongoing exploration of our universe.