The table below shows the most common keywords used by the author. The letters in brackets after some keywords denote if the keyword corresponds to Solar Physics (S) or Heliospheric Physics (H).
| Keyword
| Occurrences
|
|---|
| Sunspots [S]
| 20
|
| Sun: Coronal Mass Ejections
| 19
|
| Sun: Flares [S]
| 17
|
| Solar-terrestrial Interactions
| 12
|
| Sun: Activity
| 9
|
| Planets And Satellites: Aurorae
| 8
|
| Solar-terrestrial Relations
| 7
|
| History And Philosophy Of Astronomy
| 7
|
| Geomagnetic Fields
| 7
|
| Solar Cycle
| 7
|
| Space Weather
| 7
|
| Sunspot Number
| 6
|
| Sun: Astrophysics - Solar And Stellar Astrophysics
| 6
|
| Sunspot Groups
| 6
|
| Sunspot Cycle
| 6
|
| Maunder Minimum
| 6
|
| Sun: Corona [S]
| 5
|
| Planets And Satellites: Magnetic Fields
| 5
|
| Sun: Active Regions
| 5
|
| Astrophysics - Solar And Stellar Astrophysics [S]
| 5
|
| Total Eclipses
| 4
|
| Solar─terrestrial Relations
| 4
|
| Solar Activity
| 4
|
| Magnetic Storm
| 4
|
| Sun: Magnetic Fields
| 4
|
| Solar Eclipses
| 4
|
| Eclipses
| 4
|
| Aurora
| 3
|
| Gravitational Wave Astronomy
| 3
|
| Geomagnetic Storms
| 3
|
| Sun: Filaments [S]
| 3
|
| Astrophysics - Earth And Planetary Astrophysics
| 3
|
| Sun: Sunspots
| 3
|
| Sunspot
| 3
|
| Solar Storm
| 3
|
| Astronomical Data Bases: Miscellaneous
| 3
|
| Sun: Sunspot
| 3
|
| Sun: Dalton Minimum
| 2
|
| Dalton Minimum
| 2
|
| Time
| 2
|
| Historical Records
| 2
|
| Gravitational Waves
| 2
|
| Space Climate
| 2
|
| General Relativity And Quantum Cosmology
| 2
|
| History Of Astronomy
| 2
|
| Magnetic Storms
| 2
|
| Sun: Aurora
| 2
|
| Sun: Solar Cycle
| 2
|
| Solar Wind [H]
| 2
|
| Sun: Solar-terrestrial Relationships
| 2
|
| Aurorae
| 2
|
| Extreme Event
| 2
|
| Solar Cycles
| 2
|
| Sun: History Of Astronomy
| 2
|
| Sun: Physics - History And Philosophy Of Physics
| 2
|
| Ring Current
| 2
|
| Planetary Science
| 1
|
| Physics - Popular Physics
| 1
|
| Physics - History And Philosophy Of Physics
| 1
|
| Physics - Atmospheric And Oceanic Physics
| 1
|
| Natural Hazard
| 1
|
| Meteorology
| 1
|
| Maritime Observation
| 1
|
| Magnetosphere
| 1
|
| Magnetic Superstorms
| 1
|
| Magnetic Observatory
| 1
|
| Magnetic Observatories
| 1
|
| Magnetic Fields
| 1
|
| Low-latitude Aurorae
| 1
|
| Low-latitude Aurora
| 1
|
| Korean Peninsula
| 1
|
| John Dalton
| 1
|
| International Geophysical Year
| 1
|
| Intense Magnetic Storms
| 1
|
| Ibn Buṭlān
| 1
|
| History
| 1
|
| Historical Weather Observations
| 1
|
| Historical Observations
| 1
|
| Historical Event
| 1
|
| Historical Data
| 1
|
| Historical Astronomy
| 1
|
| Great Auroral Storms
| 1
|
| Gravitational Wave Sources
| 1
|
| Gravitational Wave Detectors
| 1
|
| Geophysics
| 1
|
| Geomagnetism
| 1
|
| Geoelectric Hazards
| 1
|
| Gamma-ray Bursts
| 1
|
| Gamma Rays [S]
| 1
|
| Extreme Space Weather Event
| 1
|
| Extreme Events
| 1
|
| Experimental Data
| 1
|
| Earth And Planetary Astrophysics
| 1
|
| Earth (planet)
| 1
|
| Earth
| 1
|
| Deep Learning
| 1
|
| Data Rescue
| 1
|
| Cosmic Rays
| 1
|
| Comets: Individual (c/1240 B1)
| 1
|
| Comets: General
| 1
|
| Cometary Plasma Tail: Solar Wind
| 1
|
| Citizen Science
| 1
|
| Chinese Unaided-eye Observation
| 1
|
| Celestial Mechanics
| 1
|
| Carrington Event
| 1
|
| Byzantine Numismatics
| 1
|
| Byzantine Empire
| 1
|
| Auroral Oval
| 1
|
| Astrophysics - Cosmology And Nongalactic Astrophysics
| 1
|
| (<italic>sun</italic>:) Solar-terrestrial Relations
| 1
|
| Visualization
| 1
|
| UV Radiation
| 1
|
| Thermosphere Density
| 1
|
| The Sun [S]
| 1
|
| The Lost Cycle
| 1
|
| Telescopes
| 1
|
| Surveys
| 1
|
| Sun: X-rays [S]
| 1
|
| Sun: Venus Transit
| 1
|
| Sun: Unaided-eye Sunspot
| 1
|
| Sun: Sunspot Observations
| 1
|
| Sun: Sunspot Number
| 1
|
| Sun: Sunspot Drawings
| 1
|
| Sun: Sun
| 1
|
| Sun: Statistics
| 1
|
| Sun: Space Climate
| 1
|
| Sun: Solar Dynamo
| 1
|
| Sun: Rotation [S]
| 1
|
| Sun: Radio Radiation [S]
| 1
|
| Sun: Physics - Space Physics
| 1
|
| Sun: Particle Emission
| 1
|
| Sun: Observations
| 1
|
| Sun: Maunder Minimum
| 1
|
| Sun: Magnetic Field
| 1
|
| Sun: Machine Learning
| 1
|
| Sun: Lost Cycles
| 1
|
| Sun: Group Sunspot Number
| 1
|
| Sun: Geomagnetic Storm
| 1
|
| Sun: General
| 1
|
| Sun: Chinese Records
| 1
|
| Storm Effects
| 1
|
| Stellar Activity
| 1
|
| Statistical Analysis
| 1
|
| Starspots
| 1
|
| Stars: Solar-type
| 1
|
| Stars: Activity
| 1
|
| Sporadic Aurora
| 1
|
| Solar-terrestrial Relationship
| 1
|
| Solar-terrestrial Interaction
| 1
|
| Solar X-ray Flares [S]
| 1
|
| Solar White-light Flares
| 1
|
| Solar Variability
| 1
|
| Solar Radius
| 1
|
| Solar Extreme Event
| 1
|
| Solar Energetic Particles [H]
| 1
|
| Solar Cycle 19
| 1
|
| Solar Coronal Streamers
| 1
|
| Solar Coronal Mass Ejection Shocks
| 1
|
| Solar Coronal Holes [S]
| 1
|
| Sn 1054
| 1
|
| Seungjeongwon Ilgi
| 1
|
| Scientific History
| 1
|
| Satellite Orbital Drag
| 1
|
| Royal Greenwich Observatory
| 1
|
| Recurrent Storms
| 1
|
| Active Regions
| 1
|
| (sun:) Solar-terrestrial Relations
| 1
|
| (<italic>sun</italic>:) Sunspots
| 1
|
| Weather Dynamics
| 1
|