swap_horiz Andrew Howard 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

Richard Ellis

Richard Ellis is a British astronomer at University College London notable for using gravitational lensing and deep fiel...

Modern British Galaxies Surveys

9.0 Excellent

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

16

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

17

Marc Davis

Marc Davis is an American astronomer known for mapping galaxy redshifts and helping reveal the large-scale structure of...

Modern American Galaxies Surveys

8.2 Great

18

Nick Scoville

Nick Scoville is an American astronomer at Caltech noted for pioneering the study of carbon monoxide in molecular clouds...

Modern American Galaxies Surveys

8.2 Great

19

Geoffrey Marcy

Geoffrey Marcy is an American astronomer known for discovering many early exoplanets around nearby stars using Doppler s...

Modern American Exoplanets Radial Velocity

7.5 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