direct solar environment
solar terrestrial disturbances
solar terrestrial relation
Solar-Terrestrial Physics
solar-terrestrial physics （STP）
Solar-terrestrial propagation model
Solar-terrestrial Relations
solar-terrestrial relationship
Solar—terrestrial relationship
Solar-terrestrial relationstip
Solar-terrestrial space physics
Solar-terrestrial system
Special Committee on Solar-Terrestrial Physics （SCOSTEP）
The solar-terrestrial distance
terrestrial environment
territorial environment
solar calendar with 20 solar terms