Ψ ψ Psi is a letter in the Greek language alphabet of Earth, originating in the early period of Human history. It is used for designations in science, mapping and other fields used in space travel and communications. Many planets, planetoids, stars and star systems use a variation of this term in their name.

ConnectionsEdit

Greek alphabet
Α α - Β β - Γ γ - Δ δ - Ε ε - Ζ ζ - Η η - Θ θ - Ι ι - Κ κ - Λ λ - Μ μ - Ν ν - Ξ ξ - Ο ο - Π π - Ρ ρ - Σ σ - Τ τ - Υ υ - Φ φ - Χ χ - Ψ ψ - Ω ω Psi at Wikipedia

Psi could also refer to:

• planets and moons
  • Psi 2000
• stars and star systems
  • Psi Octantis • Psi Serpentis • Psi Velorum
• see also
  • psionics • psi-Q • Psi 2000 intoxication • psi-clone