Denoted as (λ), it is an imaginary line at angular distances from Greenwich Meridian, measured as either 0ᵒ – 180ᵒ East or 0ᵒ – 180ᵒ West.
Denoted as (λ), it is an imaginary line at angular distances from Greenwich Meridian, measured as either 0ᵒ – 180ᵒ East or 0ᵒ – 180ᵒ West.