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James Keeler
Table of Contents
Introduction References & Edit History Quick Facts & Related Topics
Quizzes
View of the Andromeda Galaxy (Messier 31, M31).
Astronomy and Space Quiz
Michael Faraday (L) English physicist and chemist (electromagnetism) and John Frederic Daniell (R) British chemist and meteorologist who invented the Daniell cell.
Faces of Science
Nicolaus Copernicus. Nicolas Copernicus (1473-1543) Polish astronomer. In 1543 he published, forward proof of a Heliocentric (sun centered) universe. Coloured stipple engraving published London 1802. De revolutionibus orbium coelestium libri vi.
All About Astronomy
Related Questions
Read Next
Galaxy clusters like Abell 2744 can act as a natural cosmic lens, magnifying light from more distant, background objects through gravity. NASA's James Webb Space Telescope may be able to detect light from the first stars in the universe if they are gravitationally lensed by such clusters. (astronomy, space exploration, galaxies)
How Fast Is the Universe Expanding?
Colorful winter sunset
What's the Difference Between a Solstice and an Equinox?
Golden Gate Bridge, San Francisco, California.
San Francisco: 9 Claims to Fame
Planet Earth and lunar moon from space
Where Did the Moon Come From?
solar eclipse, sun, moon, astronomy, space
How Do You Tell the Difference Between Total, Annular, Solar, and Lunar Eclipses?
Discover
Cheetah (Acinonyx jubatus) standing on rock, side view, Masai Mara National Reserve, Kenya
The Fastest Animals on Earth
Fish. Lionfish. Lion-fish. Turkey fish. Fire-fish. Red lionfish. Pterois volitans. Venomous fin spines. Coral reefs. Underwater. Ocean. Red lionfish swims by seaweed.
10 of the World’s Most Dangerous Fish
Lusitania sinking, illustration from The War of the Nations (New York), December 31, 1919. World War I, WWI. This image is one of three on the page. (See source file for the other two.)
7 of the World’s Deadliest Shipwrecks
Shah Jahan. Taj Mahal. Mughal architecture. Emperor Shah Jahan fifth Mughal Emperor (reigned 1628-1658) India, Himachal Pradesh, Basohli or Jammu and Kashmir, Mankot, circa 1690 Drawings; Opaque watercolor, gold, and ink on paper (see notes)
6 Important Mughal Emperors
Two chicks near an egg with a white background (poultry, chick, chickens, birds).
What Do Eggs Have to Do with Easter?
Hemp (Cannabis sativa).
9 Mind-Altering Plants
Titanic infographic. The 30th anniversary of its discovery is September 1, 2015. SPOTLIGHT VERSION.
Timeline of the Titanic’s Final Hours

James Keeler: Facts & Related Content

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Facts

Born September 10, 1857 • La Salle • Illinois
Died August 12, 1900 (aged 42) • San Francisco • California
Subjects Of Study Saturn • planetary ring
Christiaan Huygens
Christiaan Huygens
Dutch scientist and mathematician
William Cranch Bond
American astronomer
James Clerk Maxwell
James Clerk Maxwell
Scottish mathematician and physicist
Gian Domenico Cassini.
Gian Domenico Cassini
French astronomer
Lassell, William
William Lassell
British astronomer
Jacques Cassini
French astronomer
Alvan Graham Clark
American astronomer
Fred L. Whipple
American astronomer
Henry Norris Russell
American astronomer
Edwin Hubble
Edwin Hubble
American astronomer
Vera Rubin
Vera Rubin
American astronomer
Simon Newcomb, c. 1905.
Simon Newcomb
American astronomer and mathematician
George Ellery Hale
American astronomer
Jane Luu
Jane Luu
American astronomer
Carl Sagan
Carl Sagan
American astronomer
Geoffrey Marcy
American astronomer
Neil deGrasse Tyson
Neil deGrasse Tyson
American astronomer
Jill Tarter
Jill Tarter
American astronomer
Cecilia Payne-Gaposchkin
British-born American astronomer
Harlow Shapley
American astronomer

Related Quizzes and Features

Quiz
Nicolaus Copernicus. Nicolas Copernicus (1473-1543) Polish astronomer. In 1543 he published, forward proof of a Heliocentric (sun centered) universe. Coloured stipple engraving published London 1802. De revolutionibus orbium coelestium libri vi.
All About Astronomy
View of the Andromeda Galaxy (Messier 31, M31).
Astronomy and Space Quiz
Michael Faraday (L) English physicist and chemist (electromagnetism) and John Frederic Daniell (R) British chemist and meteorologist who invented the Daniell cell.
Faces of Science