swap_horiz Patrick Moore Alternatives

1

S. Chandrasekhar

S. Chandrasekhar was a twentieth-century astronomer renowned for his groundbreaking work on stellar evolution and black...

Twentieth Century Black Holes Stellar Nobel

9.7 Brilliant

2

Bohdan Paczynski

Bohdan Paczynski was a twentieth-century Polish astronomer who made significant contributions to astrophysics. His resea...

Polish Twentieth Century Gamma Rays Microlensing

9.6 Brilliant

3

Jan Oort

Jan Oort was a twentieth-century Dutch astronomer whose work fundamentally shaped our understanding of the Milky Way gal...

Dutch Twentieth Century Galactic Oort Cloud

9.4 Excellent

4

Dame Margaret Burbidge

Dame Margaret Burbidge fundamentally advanced our understanding of stellar evolution and galactic chemical enrichment. H...

Twentieth Century Women Galaxies Nucleosynthesis

9.4 Excellent

5

Lyman Spitzer

Lyman Spitzer Jr. was an American astronomer renowned for his pioneering research into interstellar space and plasma phy...

American Space Twentieth Century Interstellar

9.3 Excellent

6

Henry Norris Russell

Henry Norris Russell was a twentieth-century American astronomer whose pioneering work fundamentally reshaped our unders...

American Twentieth Century Stellar HR Diagram

9.2 Excellent

7

Willy Fowler

Willy Fowler was a prominent twentieth-century astronomer specializing in nuclear astrophysics. His groundbreaking resea...

Twentieth Century Nucleosynthesis Stellar Nobel

9.1 Excellent

8

Martin Ryle

Martin Ryle was a twentieth-century British astronomer renowned for his pioneering work in radio astronomy. He fundament...

Radio Twentieth Century Nobel Interferometry

9.0 Excellent

9

Robert Dicke

Robert Dicke was a prominent 20th-century American astronomer specializing in cosmology. He significantly contributed to...

American Cosmology Twentieth Century Cmb

8.9 Great

10

John Bahcall

John Bahcall was an American astrophysicist whose solar models framed the solar neutrino problem and who helped develop...

History Theory Twentieth Century Stellar

8.6 Great

11

Edward Emerson Barnard

Edward Emerson Barnard was an American observational astronomer who discovered Jupiter's moon Amalthea in 1892 and measu...

History Observational Comets Nineteenth Century

8.4 Great

12

Gerard de Vaucouleurs

Gerard de Vaucouleurs was a French astronomer who extended galaxy classification and co-authored the 1991 Third Referenc...

History Twentieth Century Classification Galaxies

8.2 Great

13

Milton Humason

Milton Humason was a twentieth-century observational astronomer working primarily at Mount Wilson Observatory. He is bes...

Observational Twentieth Century Galaxies Redshift

8.1 Great

14

W. Kent Ford Jr.

W. Kent Ford Jr. was an American astronomer whose image-tube spectrographs helped Vera Rubin measure 1970s galaxy rotati...

History Instrumentation Twentieth Century Dark Matter

7.8 Good

15

David Levy

David Levy is a Canadian amateur astronomer and science writer who co-discovered Comet Shoemaker-Levy 9 in 1993 with the...

Canadian Observational Twentieth Century Comets

7.6 Good

16

Edward Maunder

Edward Maunder was a British solar astronomer whose sunspot studies identified the 1645-1715 lull now called the Maunder...

History Solar Observational Nineteenth Century

7.6 Good

17

Minoru Oda

Minoru Oda was a Japanese astrophysicist who invented the modulation collimator for X-ray astronomy and developed Hakuch...

History Space Observational Twentieth Century

7.6 Good

18

Priscilla Fairfield Bok

Priscilla Fairfield Bok was an American astronomer who collaborated with Bart Bok on Milky Way structure and co-authored...

History Observational Twentieth Century Milky Way

7.3 Good

19

Percival Lowell

Percival Lowell was an American astronomer who founded Lowell Observatory in Arizona in 1894 and launched the Planet X s...

History Mars Observatory Twentieth Century

6.9 Fair

20

Antoinette de Vaucouleurs

Antoinette de Vaucouleurs was a French astronomer who helped compile the Reference Catalogue of Bright Galaxies, from th...

History Twentieth Century Classification Galaxies

6.9 Fair