swap_horiz Brian Marsden Alternatives

1

Edmund Halley

Edmond Halley (1656–1742) was an English astronomer, mathematician, and geophysicist who served as the second Astronomer...

British Comets Proper Motion 17TH 18TH Century

9.5 Brilliant

2

Hannes Alfvén

Hannes Alfvén was a Swedish plasma physicist and electrical engineer who made foundational contributions to the field of...

Cosmology 20TH Century Plasma Physics

9.3 Excellent

3

Edward Mills Purcell

Edward Mills Purcell was an American physicist who spent his career at Harvard University. He is recognized for his inde...

20TH Century Radio Astronomy 21CM Line

9.3 Excellent

4

Georges Lemaître

Georges Lemaître was a Belgian astronomer and Catholic priest whose work profoundly shaped modern cosmology. He develope...

Cosmology 20TH Century Historical Belgian

9.2 Excellent

5

Edwin Salpeter

Edwin Salpeter was an astrophysicist who spent most of his career at Cornell University after emigrating from Austria an...

20TH Century Astrophysics Stellar Evolution

9.2 Excellent

6

William Alfred Fowler

William Alfred Fowler was a prominent American astronomer active throughout the 20th century. He is best known for pione...

American 20TH Century Historical Nucleosynthesis

8.9 Great

7

Joseph H. Taylor Jr.

Joseph H. Taylor Jr. was a 20th-century American astrophysicist renowned for his pioneering work in radio astronomy and...

Radio 20TH Century Pulsars Nobel

8.9 Great

8

Karl Jansky

Karl Jansky was an American engineer and astronomer whose work fundamentally changed our understanding of the universe....

American 20TH Century Historical Radio Astronomy

8.7 Great

9

Robert W. Wilson

Robert W. Wilson was a 20th-century American astronomer renowned for his pioneering work in radio astronomy. His meticul...

Radio 20TH Century Nobel Cmb

8.7 Great

10

Abd al-Rahman al-Sufi

Abd al-Rahman al-Sufi (903–986) was a Persian astronomer who worked in Isfahan under the Buyid dynasty. His Book of Fixe...

History Catalog Medieval Islamic

8.6 Great

11

William Wilson Morgan

William Wilson Morgan (1906-1994) was an American astronomer at the Yerkes Observatory of the University of Chicago who...

20TH Century Stellar Classification Clusters

8.5 Great

12

Charles Messier

Charles Messier was a French astronomer active in the late eighteenth century. He created a detailed catalog of over ele...

Comets Catalogs Eighteenth Century Nebulae

8.4 Great

13

Edward Emerson Barnard

Edward Emerson Barnard (1857–1923) was an American observational astronomer who joined the staff of Lick Observatory in...

History Observational Comets Nineteenth Century

8.4 Great

14

Alastair G. W. Cameron

Alastair G. W. Cameron (1925–2005) was a Canadian-American astrophysicist who worked at Harvard University and later the...

Theory 20TH Century Planetary Nucleosynthesis

8.4 Great

15

Bernard Lyot

Bernard Lyot (1897–1952) was a French astronomer at the Meudon Observatory whose most significant contribution was the i...

France 20TH Century Solar Coronagraph

8.4 Great

16

Robert Hanbury Brown

Robert Hanbury Brown (1916–2002) was a British astronomer and physicist who began his career working on radar developmen...

20TH Century Stellar Interferometry

8.4 Great

17

John Gatenby Bolton

John Gatenby Bolton was a British-Australian astronomer who played a crucial role in the development of radio astronomy....

Australia Radio 20TH Century Quasars

8.3 Great

18

Fred Lawrence Whipple

Fred Lawrence Whipple was an American astronomer whose work focused on comets, meteors, and artificial satellites. In 19...

Theory 20TH Century Solar System Comets

8.1 Great

19

George Ogden Abell

George Ogden Abell was an American astronomer and educator who spent his career at the University of California, Los Ang...

Catalog 20TH Century Galaxies Clusters

7.8 Good

20

Michael F. A'Hearn

Michael F. A'Hearn was an American astronomer whose work focused in part on comets and other small Solar System bodies....

20TH Century Comets Small Bodies Missions

7.3 Good