Ask the Chatbot Games & Quizzes History & Society Science & Tech Biographies Animals & Nature Geography & Travel Arts & Culture ProCon Money Videos
Marcel Gilles Jozef Minnaert
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
Italian-born physicist Dr. Enrico Fermi draws a diagram at a blackboard with mathematical equations. circa 1950.
Physics and Natural Law
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
Highway Night Traffic Portland, drive, driving, car, automobile.
What's the Difference Between Speed and Velocity?
Discover
The Battle of New Orleans, by E. Percy Moran, c. 1910. Andrew Jackson, War of 1812.
26 Decade-Defining Events in U.S. History
Town of Sisimiut located on the coast of the Davis Strait on Kangerluarsunnguaq Bay, Greenland
The Largest Islands in the World
Time zone map with standard time zones and International Date Line
Why Are Some Time Zones 30 Minutes Off Instead of an Hour?
Young boys working in a thread spinning mill in Macon, Georgia, 1909. Boys are so small they have to climb onto the spinning frame to reach and fix broken threads and put back empty bobbins. Child labor. Industrial revolution
The Rise of the Machines: Pros and Cons of the Industrial Revolution
Abstract vector hi speed internet technology background
History of Technology Timeline
Queen Elizabeth II addresses at opening of Parliament. (Date unknown on photo, but may be 1958, the first time the opening of Parliament was filmed.)
All 119 References in “We Didn’t Start the Fire,” Explained
Sydney New Years Eve Fireworks
Why Does the New Year Start on January 1?

Marcel Gilles Jozef Minnaert

Belgian astronomer
Feedback
Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login).
Thank you for your feedback

Our editors will review what you’ve submitted and determine whether to revise the article.

External Websites
Written and fact-checked by
The Editors of Encyclopaedia Britannica
Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.
The Editors of Encyclopaedia Britannica
Article History
Quick Facts
Born:
Feb. 12, 1893, Bruges, Belg.
Died:
Oct. 26, 1970, Utrecht, Neth. (aged 77)

Marcel Gilles Jozef Minnaert (born Feb. 12, 1893, Bruges, Belg.—died Oct. 26, 1970, Utrecht, Neth.) was a Flemish astronomer and solar physicist who pioneered in solar spectrophotometry and showed how such a technique could reveal much about the structure of the Sun’s outer layers. Minnaert was first a botanist, but his desire to understand more fully the effect of light on plants led him to study physics at the University of Leiden, in the Netherlands. Exiled from Belgium for his support of the nationalist Flemish movement before and during World War I, he became a staff member of the solar ...(100 of 222 words)

Access the full article
Help support true facts by becoming a member.