Planet planet Venus, that probably dates as early as the second millennium BC. The MUL.APIN is a pair of cuneiform tablets dating from the 7th century BC that lays out the motions of the Sun, Moon, and planets over the course of the year. The Babylonian astrologers also laid the foundations of what would eventually become Western astrology. The "Enuma anu enlil", written during the Neo-Assyrian period in the 7th century BC, comprises a list of omens and their relationships with various celestial phenomena including the motions of the planets. Venus, Mercury, and the outer planets Mars, Jupiter, and Saturn were
Sagan Planet Walk obelisk for Neptune is located just across the bridge in Conley Park. The Planet Walk was conceived and built prior to Pluto losing its planetary status in 2006, and the model includes the Pluto Obelisk, which is located just outside the Sciencenter on First street. The model was expanded in 2012 to include Alpha Centauri, the star closest to the Sun. The Alpha Centauri Obelisk is exhibited at the ‘‘Imiloa Astronomy Center of Hawai‘i at the University of Hawaii in Hilo, Hawaii. This extension made the Sagan Planet Walk the world's largest exhibition. Television host and former student of Carl