swap_horiz Angelo Secchi Alternatives

1

Philip James Edwin Peebles

Philip James Edwin Peebles is a prominent astronomer recognized globally for his contributions to modern cosmology. His...

Modern Cosmology Nobel Cmb

9.8 Brilliant

2

S. Chandrasekhar

S. Chandrasekhar was a twentieth-century astronomer renowned for his groundbreaking work on stellar evolution and black...

Twentieth Century Black Holes Stellar Nobel

9.7 Brilliant

3

Dame Susan Jocelyn Bell Burnell

Jocelyn Bell Burnell is an astronomer renowned for her pivotal role in discovering the first radio pulsars at Cambridge...

Modern Radio Women Pulsars

9.7 Brilliant

4

Dame Jocelyn Bell Burnell

Jocelyn Bell Burnell is a renowned astronomer recognized for her pivotal role in discovering pulsars in 1967. Her doctor...

Modern Radio Women Pulsars

9.7 Brilliant

5

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

6

Vesto Slipher

Vesto Slipher was a twentieth-century astronomer renowned for his meticulous spectroscopic measurements of spiral nebula...

Twentieth Century Galaxies Spectroscopy Redshift

8.9 Great

7

Friedrich Bessel

German astronomer (1784–1846) who in 1838 made the first successful measurement of stellar parallax, determining the dis...

German 19TH Century Historical Astrometry

8.8 Great

8

Piero Madau

Piero Madau is an Italian astrophysicist at the University of California, Santa Cruz, noted for his extensive theoretica...

Modern Italian Galaxies Reionization

8.7 Great

9

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

10

Alessandro Morbidelli

Alessandro Morbidelli is an Italian planetary scientist in Nice, known for Solar System dynamics and the Nice model of g...

Modern Italian Planetary Dynamics

8.6 Great

11

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

12

George Ellery Hale

American astronomer (1868–1938) who founded Mount Wilson and Palomar Observatories and discovered the magnetic fields of...

American Historical Solar Telescopes

8.6 Great

13

Bruno Rossi

Bruno Rossi was an Italian-American physicist who advanced cosmic-ray astronomy and helped launch the first extrasolar X...

Italian Twentieth Century X Ray Cosmic Rays

8.5 Great

14

Enrico Costa

Enrico Costa is an Italian astrophysicist who notably led the BeppoSAX satellite team in discovering the first afterglow...

Modern Italian Gamma Rays Afterglows

8.5 Great

15

Nancy Roman

American astronomer known as the Mother of Hubble who became NASA's first Chief of Astronomy in 1959 and championed spac...

American Historical Stellar Classification Hubble

8.5 Great

16

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

17

Williamina Fleming

Williamina Fleming was a Scottish-American astronomer at Harvard who classified thousands of stars and discovered the Ho...

Twentieth Century Women Spectroscopy Catalogs

8.0 Great

18

Kent Ford

Kent Ford was an American astronomer and instrument builder whose spectrographs enabled Vera Rubin's galaxy rotation stu...

American Twentieth Century Dark Matter Spectroscopy

8.0 Great

19

Andrea Dupree

Andrea Dupree is an American astrophysicist at the Center for Astrophysics Harvard and Smithsonian, noted for stellar ph...

Modern Women Spectroscopy Stellar

7.8 Good

20

Antonia Maury

Antonia Maury was an American astronomer at Harvard who developed a detailed stellar classification system published in...

Twentieth Century Women Classification Spectroscopy

7.3 Good