Ζζ Zeta was a letter in the Greek alphabet of Earth, originating in the early period of Human history.
It was used in the following contexts:
- Astronomical nomenclature
- Aldebaran Zeta
- Beta Zeta, a planetary system
- Maxia Zeta star system
- Maxia Zeta III, a planet
- Maxia Zeta IV, a planet
- Theta Zeta, a planetoid
- Zeta Alpha II, a planet
- Zeta Antaras IV, a planet
- Zeta Aquilae, a star system
- Zeta Boötis, a star system
- Zeta Eridani, a location
- Zeta Gelis star cluster
- Zeta Gruis, a star system
- Zeta Leporis, a location
- Zeta Microscopii, a star system
- Zeta Orionis, a star
- Zeta Sagittarii, a star system
- Zeta Serpentis, a star system
- Chemistry
- Zeta particle derivation, the first step in the subspace infrared algorithm
- See also
- "Torres Zeta-1"
- "Tuvok zeta-9"
- "21 alpha prime/936 zeta"
- "Zeta-1" (Seska)