swap_horiz Brian Marsden Alternatives

1

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

2

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

3

Karl Jansky

American radio engineer (1905–1950) who in 1932 discovered extraterrestrial radio emission from the direction of the Mil...

American 20TH Century Historical Radio Astronomy

8.7 Great

4

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

5

Abd al-Rahman al-Sufi

Abd al-Rahman al-Sufi was a 10th-century Persian astronomer whose 964 Book of Fixed Stars cataloged constellations and n...

History Catalog Medieval Islamic

8.6 Great

6

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

7

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

8

Alastair G. W. Cameron

Alastair G. W. Cameron was a Canadian-American astrophysicist, noted for nuclear astrophysics and the giant-impact theor...

Theory 20TH Century Planetary Nucleosynthesis

8.4 Great

9

Bernard Lyot

Bernard Lyot was a French astronomer who invented the coronagraph in 1930, enabling solar-corona observations outside to...

France 20TH Century Solar Coronagraph

8.4 Great

10

John Gatenby Bolton

John Gatenby Bolton was a British-Australian radio astronomer who identified discrete radio sources with galaxies and wa...

Australia Radio 20TH Century Quasars

8.3 Great

11

Caroline Herschel

Caroline Herschel was a pioneering eighteenth-century astronomer. Born in Germany, she made significant contributions to...

Women Comets Catalogs Eighteenth Century

8.2 Great

12

Grote Reber

American radio engineer (1911–2002) who in 1937 built the first purpose-built parabolic radio telescope in his backyard...

American 20TH Century Historical Radio Astronomy

8.1 Great

13

Fred Lawrence Whipple

Fred Lawrence Whipple was an American astronomer who proposed the icy dirty snowball comet model in 1950 and led Smithso...

Theory 20TH Century Solar System Comets

8.1 Great

14

Brian G. Marsden

Brian G. Marsden was a prominent modern British astronomer specializing in the study of minor planets. His work at the M...

Modern British Minor Planets Orbits

8.0 Great

15

Carolyn Shoemaker

Carolyn Shoemaker was an American astronomer who co-discovered Comet Shoemaker-Levy 9 in 1993 and became a leading disco...

Planetary Twentieth Century Women Comets

7.9 Good

16

Edward Barnard

American astronomer who in 1916 identified Barnard's Star, which holds the record for the highest proper motion of any k...

American 19TH Century Observational Comets

7.9 Good

17

Fred Whipple

American astronomer who in 1950 proposed the 'dirty snowball' model of comet nuclei, fundamentally transforming scientif...

American Solar System Comets Mid 20TH Century

7.8 Good

18

George Ogden Abell

George Ogden Abell was an American astronomer who compiled the 1958 Abell catalogue of 2,712 rich galaxy clusters from P...

Catalog 20TH Century Galaxies Clusters

7.8 Good

19

Carolyn S. Shoemaker

Carolyn S. Shoemaker was an American astronomer who famously co-discovered Comet Shoemaker-Levy 9 in 1993 and held the r...

Modern American Planetary Comets

7.8 Good

20

Michael F. A'Hearn

Michael F. A'Hearn was an American astronomer who led NASA's Deep Impact mission, which struck comet Tempel 1 with an im...

20TH Century Comets Small Bodies Missions

7.3 Good