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Sir Harold Spencer Jones
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Sir Harold Spencer Jones.
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?
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?
Arrangement of the phases of the moon in total eclipse with Blood Moon
9 Celestial Omens
1 July 2002: The Solar and Heliospheric Observatory (SOHO) satellite reveals a massive solar eruption more than 30 times the Earth's diameter. The eruption formed when a loop of a magnetic field over the surface of the Sun trapped hot gas.
6 Questions About the Sun Answered
Discover
The Colosseum, Rome, Italy. Giant amphitheatre built in Rome under the Flavian emperors. (ancient architecture; architectural ruins)
New Seven Wonders of the World
Chinese pictograph, calligraphy tablet of Huang Tingjian, a famous calligrapher in Ancient Song Dynasty. The background of Chinese cultural elements.
The World’s 5 Most Commonly Used Writing Systems
Nelson Mandela, undated photo.
15 Nelson Mandela Quotes
New Zealand. Political/Physical map. Includes locator.
Where Is “Old Zealand”?
Figure 13: A Maxim machine gun, belt-fed and water-cooled, operated by German infantrymen, World War I.
7 Deadliest Weapons in History
African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.
Timeline of the American Civil Rights Movement
green digital binary symbols
What Comes After Terabyte?

Sir Harold Spencer Jones: Facts & Related Content

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Facts

Born March 29, 1890 • London • England
Died November 3, 1960 (aged 70) • London • England
Subjects Of Study astronomical unit • solar parallax • measurement

Photos

Sir Harold Spencer Jones.
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George Dollond
British optician
Edmond Halley
Edmond Halley
British scientist
Margaret Burbidge
British astronomer
Airy, c. 1877
Sir George Biddell Airy
British astronomer
James Bradley, detail of an oil painting after Thomas Hudson, c. 1742-47; in the National Portrait Gallery, London
James Bradley
English astronomer
John Pond
British astronomer
Lovell, Sir Bernard
Sir Bernard Lovell
English radio astronomer
Sir Harold Jeffreys
Sir Harold Jeffreys
British astronomer and geophysicist
Sir Frank Dyson, 1927.
Sir Frank Dyson
British astronomer
Six astronomers, after Gerard Hoet (1692)
Hipparchus
Greek astronomer
Gill, Sir David
Sir David Gill
Scottish astronomer
Joseph-Nicolas Delisle
French astronomer
John Flamsteed
British astronomer
Samuel Molyneux
British astronomer
William Hunter Kendal
British actor and manager
Florence Nightingale at the Barrack Hospital
Florence Nightingale
British nurse, statistician, and social reformer
Arthur Stanley Eddington.
Arthur Eddington
British scientist
John Herschel
Sir John Herschel, 1st Baronet
English astronomer
Martin Rees
Martin Rees
British cosmologist and astrophysicist
David Simon, Lord Simon of Highbury
British industrialist and politician

Related Quizzes and Features

Quiz
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