Halley
Edmond Halley
Edmund Halley
near-Earth comet
short-period
cometography
Johannes Kepler
Johan Kepler
Kepler
cometwise
Encke
Brahe
Tycho Brahe
Comet Halley
cometabolically
Friedrich Wilhelm Bessel
Bessel
Friedrich Bessel
Thomson
cometographer
cometographic
Joseph John Thomson
cometographical
J. J. Thomson
Sir Joseph John Thomson
Linear
Kepler's law
Kepler's law of planetary motion
cometary
comatic
short-period comet
cometabolic
Sir Arthur Stanley Eddington
cometarium
Claudius Ptolemaeus
Ptolemy
Eddington
Eratosthenes
Arthur Eddington
Pierre Simon de Laplace
Russell
Marquis de Laplace
Pierre-Simon Laplace
Henry Norris Russell
Laplace
Henry Russell
first quarter
Bougainville
lunation
moon
John Herschel
synodic month
Wheatstone
Sir William Huggins
Herschel
Sir John Frederick William Herschel
Huggins
Sir John Herschel
Louis Antoine de Bougainville
cometic
lunar month
non-periodic
preterrestrial
Sir Charles Wheatstone
planetologist
sounding rocket
Nathaniel Bowditch
Horroxian
Bowditch
cometabolize
coma
William Herschel
Sir Frederick William Herschel
Gerard Kuiper
Gerard Peter Kuiper
cosmologist
on earth
Sir William Herschel
Holmes
Kuiper
Nectarian
Arthur Holmes
Kastler
Thomas Willis
Alfred Kastler
Bernhard Riemann
Georg Friedrich Bernhard Riemann
Hipparchus
Willis
aphelion
cometesimal
Riemann
Simon Newcomb
comedogenesis
Newcomb