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- heliocentric velocity
- heliochromy
- Heliodoros
- heliogeophysics
- heliogram
- heliogramma
- heliograph
- heliographic chart
- heliographic coordinate
- heliographic coordinates
- heliographic coordinate system
- heliographic distribution
- heliographic distribution of sunspots
- heliographic latitude
- heliographic longitude
- heliographic pole
- heliography
- heliogravure
- heliolatitude
- heliology
- heliolongitude
- heliomagnetosphere
- heliometer
- heliometry
- heliomicrometer