Polar distance
From Wikipedia, the free encyclopedia
Polar distance may refer to:
- Polar distance (astronomy), an astronomical term associated with the celestial equatorial coordinate system Σ(α, δ)ellipse and lower, a hyperbola
- Polar distance (geometry), typically denoted r, a coordinate in polar coordinate systems (r, θ) and (r, θ, h)
- Polar distance (botany) is used in the classification of pollens