swap_horiz Geoffrey Marcy Alternatives

1

Lyman Spitzer

Lyman Spitzer was an American astrophysicist who proposed a space telescope in 1946 and led work on plasma physics and i...

American Space Twentieth Century Interstellar

9.3 Excellent

2

Henry Norris Russell

Henry Norris Russell was an American astronomer who independently plotted stellar luminosity against spectral type in 19...

American Twentieth Century Stellar HR Diagram

9.2 Excellent

3

Didier Queloz

Didier Queloz is a Swiss astronomer who shared the 2019 Nobel Prize in Physics for discovering 51 Pegasi b, the first ex...

Modern Exoplanets Nobel Radial Velocity

9.1 Excellent

4

Robert Dicke

Robert Dicke was an American physicist who advanced tests of general relativity and helped motivate the 1965 search for...

American Cosmology Twentieth Century Cmb

8.9 Great

5

Neil Gehrels

Neil Gehrels was an American astrophysicist at NASA who notably served as the principal investigator for the Swift Gamma...

Modern American Space Gamma Rays

8.9 Great

6

Gerry Neugebauer

Gerry Neugebauer was an American astronomer at Caltech notable for his pioneering work in infrared astronomy and leading...

American Infrared Twentieth Century Surveys

8.9 Great

7

Allan Sandage

Allan Sandage was an American astronomer who refined the Hubble constant and helped identify quasars while working at Mo...

American Cosmology Twentieth Century Distance Scale

8.8 Great

8

Jeremiah Ostriker

Jeremiah Ostriker is an American astrophysicist whose work shaped modern ideas on dark matter, intergalactic gas, and ga...

Modern American Cosmology Galaxies

8.8 Great

9

Michael Brown

Michael Brown is an American Caltech astronomer whose team's discovery of Eris helped trigger Pluto's 2006 reclassificat...

Modern American Planetary Kuiper Belt

8.8 Great

10

John Kormendy

John Kormendy is an American astronomer at the University of Texas at Austin highly noted for his foundational observati...

Modern American Black Holes Galaxies

8.8 Great

11

Harlow Shapley

Harlow Shapley was an American astronomer who used globular clusters in 1918 to place the Sun away from the Milky Way's...

American Twentieth Century Clusters Galactic

8.7 Great

12

Eugene Shoemaker

Eugene Shoemaker was an American geologist and planetary scientist who founded astrogeology and co-discovered Comet Shoe...

American Planetary Twentieth Century Impacts

8.7 Great

13

William Borucki

William Borucki is an American space scientist who led NASA's Kepler mission, launched in 2009 to find exoplanets by mea...

Modern Space Exoplanets Kepler

8.7 Great

14

Icko Iben

Icko Iben was an American astrophysicist at the University of Illinois, known for stellar evolution theory and awarded t...

American Evolution Twentieth Century Stellar

8.7 Great

15

Robert Leighton

Robert Leighton was a prominent American physicist at Caltech noted for designing innovative telescopes and conducting e...

American Infrared Twentieth Century Surveys

8.7 Great

16

James Head

James Head is an American planetary geologist at Brown University, known for Apollo lunar landing-site work and studies...

Modern American Geology Planetary

8.6 Great

17

Robert Kraft

Robert Kraft was an American astronomer and former Lick Observatory director, known for the Kraft break in stellar rotat...

Modern American Spectroscopy Stellar

8.6 Great

18

Debra Fischer

Debra Fischer is an American astronomer known for exoplanet searches with radial-velocity methods and for developing pre...

Modern Women Exoplanets Radial Velocity

8.0 Great

19

Andrew Howard

Andrew Howard is an American astronomer known for exoplanet demographics and radial-velocity surveys that measured the f...

Modern American Exoplanets Surveys

7.6 Good

20

Jason Wright

Jason Wright is an American astronomer known for exoplanet research, stellar activity studies, and searches for technolo...

Modern American Exoplanets Seti

7.4 Good