Herschel
Sir John Herschel
John Herschel
Sir John Frederick William Herschel
astro-boffin
astrophotographer
Huggins
Sir William Huggins
areographer
astronomist
Shapley
Harlow Shapley
Henry Russell
Henry Norris Russell
skytime
Russell
Simon Newcomb
Galileo
Galileo Galilei
Newcomb
optical astronomy
Ptolemy
Claudius Ptolemaeus
astrophysicist
reseau
Lovell
Sir Bernard Lovell
Sir Alfred Charles Bernard Lovell
first light
stargazing
galactographer
photophysicist
photoheliograph
astrography
Bowditch
astronomer
stargazer
uranologist
coronograph
Nathaniel Bowditch
George Ellery Hale
Boone
Baron Alexander von Humboldt
Daniel Boone
Johannes Kepler
archaeoastronomer
Humboldt
Baron Friedrich Heinrich Alexander von Humboldt
astrograph
Hale
solar telescope
Johan Kepler
Kepler
Roentgen
Mitchell
Gabor
Arthur Eddington
radio observation
James Clerk Maxwell
Sir Arthur Stanley Eddington
Maria Mitchell
phototelescope
Maxwell
Mikolaj Kopernik
Nicolaus Copernicus
Eddington
astrophoto
Rontgen
Friedrich Bessel
Friedrich Wilhelm Bessel
Bessel
Copernicus
J. C. Maxwell
Dennis Gabor
Wilhelm Konrad Rontgen
Wilhelm Konrad Roentgen
astrogeodesy
teleotoscope
Halley
paleographer
Lippmann
Edmond Halley
Gabriel Lippmann
Galilean telescope
astronomics
Edmund Halley
paleographist
telescopist
Hipparchus