Named for the stormy blue planet 1st observed through a telescope in 1846. Neptune is the eighth planet from the sun. In Roman mythology, Neptune was the god of the sea, an apt name a planet with the nickname of the "Blue Giant". This wind chime is designed and handcrafted for superior musical performance. It is hand-tuned to a universal, pentatonic (five-note) scale and acts in concert with the wind to create random patterns of wonderful sound. Harmonizes beautifully with all the other Encore Collection windchimes. This chime carries a lifetime tuning guarantee.