Asaph Hall
Percival Lowell
Scientists by country
California
Carl Sagan
Clyde Tombaugh
Eugene Merle Shoemaker
Daniel Kirkwood
Samuel Pierpont Langley
Benjamin Apthorp Gould
Grote Reber
Edwin Hubble | Saint John
Meta categories
Sarah Williams
Astronomy by country
Amy Mainzer
Arno Penzias
John C. Mather
John Martin Schaeberle
Astronomy in the United States
Scientists from the United States
George Gamow
Simon Newcomb | Matthew Fontaine Maury
Karl Guthe Jansky
Neil deGrasse Tyson
Astronomers by country
John Allen Eddy
Maria Mitchell
Henry Draper
Lewis Morris Rutherfurd |
