Anders Celsius
Antony Hewish
Aristarchus of Samos
Arno Penzias
Barney Oliver
Benjamin Apthorp Gould
Carl Sagan
Caroline Herschel
Christopher Hansteen
Edmond Halley
Edmund Halley
Edward Charles Pickering
Edwin Hubble
Francis Baily
Fred Hoyle
Fred Whipple
Friedrich Georg Wilhelm Struve
Friedrich Wilhelm August Argelander
Friedrich Wilhelm Bessel
Galileo Galilei
George Biddell Airy
George Ellery Hale
Gerald A. Soffen
Giovanni Battista Amici
Giovanni Domenico Cassini
Giovanni Virginio Schiaparelli
Hipparchus
Jacques Dominique Cassini
James Bradley
James Van Allen
Jan Hendrik Oort
Jean-Baptiste-Joseph Delambre
Jean-Sylvain Bailly
Jeremiah Horrocks
Johann Franz Encke
Johann Tobias Mayer
Johannes Hevelius
John Bainbridge
John Couch Adams
John Flamsteed
John Herschel
Joseph H. Taylor, Jr.
Joseph-Nicolas Delisle
Martin Ryle
Michael E. Brown
Nicholas Claude Fabri de Peiresc
Nicolas Louis de Lacaille
Nicolaus Copernicus
Otto Wilhelm Struve
Percival Lowell
Peter Andreas Hansen
Pierre Janssen
Pierre-Louis Moreau de Maupertuis
Ptolemy
Robert Woodrow Wilson
Ruggero Giuseppe Boscovich
Russell A. Hulse
Simon Newcomb
Subrahmanyan Chandrasekhar
Tycho Brahe
Walter Baade
Wilhelm Olbers
William A. Fowler
William Herschel
William Huggins