swap_horiz William Morgan Alternatives

1

Andrea M. Ghez

American astronomer Andrea M. Ghez studies the center of the Milky Way, where observations of stellar motion reveal an e...

American Black Holes Current Galactic Center

9.55 Brilliant

2

Joe Taylor

Born in 1941, Joseph Hooton Taylor Jr. is an American astrophysicist associated with precision studies of pulsars. He sh...

American Nobel Prize Late 20TH Binary Pulsar

9.49 Excellent

3

John N. Bahcall

John N. Bahcall was a prominent American astronomer specializing in solar physics and neutrino research. His meticulous...

American Historical Solar Neutrinos

9.42 Excellent

4

Charles Bennett

Charles L. Bennett is an American observational cosmologist who served as principal investigator for NASA's Wilkinson Mi...

American Contemporary Observational Cmb

9.42 Excellent

5

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

9.35 Excellent

6

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

9.25 Excellent

7

Robert H. Dicke

Robert H. Dicke was a prominent American astronomer who led research at Princeton University focused on cosmology. His t...

American Cosmology Historical Cmb

9.25 Excellent

8

Peter Goldreich

Peter Goldreich is an American theoretical astrophysicist recognized for his extensive research into the dynamics of pla...

Modern American Theoretical Astrophysics Planetary Dynamics

9.18 Excellent

9

Frank Shu

Frank Shu is an American astronomer recognized for his significant contributions to understanding galaxy structure and s...

American Stellar Current Galactic

9.10 Excellent

10

Harlow Shapley

Harlow Shapley was a pioneering twentieth-century American astronomer. Her meticulous analysis of globular clusters prov...

American Twentieth Century Clusters Galactic

8.65 Great

11

Allan Rex Sandage

Allan Rex Sandage was an American observational astronomer who took over Edwin Hubble's cosmological research program at...

American Cosmology Observational Mid 20TH Century

7.92 Good

12

Lyman Spitzer Jr.

Lyman Spitzer Jr. was an American theoretical physicist and astronomer whose work contributed to plasma physics, stellar...

American Theoretical Mid 20TH Century Ism

7.84 Good

13

Nancy Roman

Nancy Grace Roman (1925–2018) was an American astronomer who served as NASA's first Chief of Astronomy in the Office of...

American Historical Stellar Classification Hubble

7.82 Good

14

Joseph Hooton Taylor Jr.

Joseph Hooton Taylor Jr. is an American astrophysicist who received the 1993 Nobel Prize in Physics jointly with Russell...

American Pulsars Nobel Mid 20TH Century

7.58 Good

15

Viktor Ambartsumian

Viktor Ambartsumian was a Soviet Armenian astrophysicist who lived from 1908 to 1996 and became a major figure in twenti...

Theoretical Galactic Mid 20TH Century Soviet Armenian

7.48 Good

16

Russell Alan Hulse

Russell Alan Hulse (born 1950) is an American physicist who, as a graduate student at the University of Massachusetts Am...

American Pulsars Nobel Mid 20TH Century

7.38 Good

17

Fred Whipple

Fred Lawrence Whipple (1906-2004) was an American astronomer who made significant contributions to the study of comets a...

American Solar System Comets Mid 20TH Century

7.19 Good

18

Jesse Greenstein

Jesse L. Greenstein was an American astronomer whose research centered on stellar spectroscopy and the physical properti...

American Spectroscopy Stellar Quasars

6.83 Fair

19

Donald Osterbrock

Donald Osterbrock (1924–2007) was an American astronomer who served as the director of the Lick Observatory in Californi...

American Spectroscopy Nebulae Mid 20TH Century

6.74 Fair

20

Henrietta Hill Swope

Henrietta Hill Swope was an American astronomer associated with the Carnegie Institution whose work helped establish dis...

American Observational Photometry Mid 20TH Century

6.17 Fair