Greek and Roman Mythology:
* Mercury: Named after the swift messenger of the gods, due to its quick movement across the sky.
* Venus: Named after the Roman goddess of love and beauty, because of its brilliance.
* Mars: Named after the Roman god of war, because of its reddish hue.
* Jupiter: Named after the king of the gods, due to its size and dominance in the sky.
* Saturn: Named after the Roman god of agriculture, likely because its slow movement was associated with the agricultural cycle.
Other Cultures:
* Babylon: Named planets after their own deities, such as Nabu (Mercury), Ishtar (Venus), Nergal (Mars), Marduk (Jupiter), and Ninurta (Saturn).
* Chinese: Named planets based on the five elements, with Mercury being Water, Venus being Metal, Mars being Fire, Jupiter being Wood, and Saturn being Earth.
* India: Planets were associated with different deities in Hindu mythology, such as Budha (Mercury), Shukra (Venus), Mangala (Mars), Brihaspati (Jupiter), and Sani (Saturn).
Beyond Mythology:
* Ancient Egyptians: Planets were associated with specific gods, but they didn't always use the same names as other cultures.
* Mesoamericans: Planets were associated with certain aspects of nature and celestial phenomena.
It's important to note that the naming of planets evolved over time and differed across cultures. The modern names we use are largely based on the Greek and Roman traditions, which have become the dominant ones in Western astronomy.