swap_horiz William Lassell Alternatives

1

William Herschel

William Herschel was an eighteenth-century astronomer renowned for his pioneering work with telescopes. He significantly...

Eighteenth Century Nebulae Uranus Telescopes

9.3 Excellent

2

Sandra Faber

Sandra Faber is a prominent modern astronomer specializing in the study of galaxy evolution. Her work has significantly...

Modern Women Galaxies Telescopes

8.9 Great

3

Friedrich Bessel

Friedrich Bessel was a 19th-century German astronomer renowned for his groundbreaking work in astrometry. He accurately...

German 19TH Century Historical Astrometry

8.8 Great

4

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

5

Max Wolf

Max Wolf was a German astronomer who pioneered astrophotography in asteroid discovery, finding 323 Brucia photographical...

Germany Photography 19TH Century Asteroids

8.2 Great

6

William Parsons, 3rd Earl of Rosse

William Parsons, 3rd Earl of Rosse, was an Anglo-Irish astronomer whose 72-inch Leviathan at Birr Castle revealed M51's...

History Galaxies Nineteenth Century Nebulae

8.1 Great

7

Angelo Secchi

Italian Jesuit priest and astronomer (1818–1878) who devised one of the first stellar spectral classification systems, g...

Italian 19TH Century Historical Stellar Classification

8.0 Great

8

Edward Barnard

American astronomer who in 1916 identified Barnard's Star, which holds the record for the highest proper motion of any k...

American 19TH Century Observational Comets

7.9 Good

9

Giovanni Schiaparelli

Italian astronomer who in 1877 mapped Mars and described linear features he called canali, a term mistranslated as canal...

Italian 19TH Century Planetary Mars

7.7 Good

10

Scott S. Sheppard

Scott S. Sheppard is an American astronomer who has discovered many outer Solar System bodies, including the distant obj...

Modern Observational Planetary Moons

7.7 Good

11

Heinrich Wilhelm Matthias Olbers

Heinrich Wilhelm Matthias Olbers was a German physician-astronomer who discovered Pallas in 1802 and Vesta in 1807 and f...

Medicine 19TH Century Comets Asteroids

7.7 Good

12

John Couch Adams

British mathematician who in 1845 independently predicted the position of Neptune by calculating perturbations in Uranus...

19TH Century British Planetary Celestial Mechanics

7.6 Good

13

John Spencer

John Spencer is a planetary scientist at Southwest Research Institute, noted for studies of Io's volcanism and work on N...

Modern Observational Planetary Pluto

7.6 Good

14

William Parsons (Lord Rosse)

Irish astronomer who in 1845 completed the 72-inch Leviathan of Parsonstown telescope, then the world's largest, and use...

Telescope 19TH Century Observational Irish

7.5 Good

15

Asaph Hall

American astronomer who in 1877 discovered the two moons of Mars, Phobos and Deimos, using the 26-inch refractor at the...

American 19TH Century Observational Planetary

7.3 Good

16

Simon Newcomb

Canadian-American astronomer (1835–1909) who produced precise mathematical tables of solar system body positions that se...

American 19TH Century Planetary Celestial Mechanics

7.2 Good

17

Katherine de Kleer

Katherine de Kleer is an American planetary scientist whose Keck, Gemini, and ALMA work studies Io's volcanism and atmos...

Modern Observational Planetary Infrared

7.1 Good

18

Otto Wilhelm von Struve

Otto Wilhelm von Struve was a Russian-German astronomer who directed Pulkovo Observatory from 1862 to 1889 and advanced...

19TH Century Dynasty Astrometry Double Stars

7.1 Good

19

Giuseppe Piazzi

Italian astronomer who on January 1, 1801, discovered Ceres, the first known asteroid and now classified as a dwarf plan...

Italian 19TH Century Observational Asteroids

7.0 Good

20

Johann Encke

German astronomer (1791–1865) who computed the orbit of Encke's Comet, which at roughly 3.3 years has the shortest known...

German 19TH Century Observational Celestial Mechanics

7.0 Good