swap_horiz Neil Gehrels Alternatives

1

Bohdan Paczynski

Bohdan Paczynski was a Polish astronomer at Princeton University notable for his pioneering work on gravitational microl...

Polish Twentieth Century Gamma Rays Microlensing

9.6 Brilliant

2

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

3

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

4

John Mather

John Mather is an American astrophysicist who shared the 2006 Nobel Prize in Physics for COBE measurements of the cosmic...

Modern Space Nobel Cmb

9.2 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

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

Nancy Grace Roman

Nancy Grace Roman was an American astronomer and NASA executive known as the mother of Hubble for her role in creating t...

Space Twentieth Century Women Hubble

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

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

18

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

19

Edo Berger

Edo Berger is an American astronomer at Harvard University notable for his observational research on gamma-ray bursts, k...

Modern American Transients Gamma Rays

8.2 Great

20

Andrew Fruchter

Andrew Fruchter is an astronomer at the Space Telescope Science Institute notable for his pioneering use of the Hubble S...

Modern American Hubble Gamma Rays

8.1 Great