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Galileo
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Galileo Galileo's telescopes Galileo's illustrations of the Moon Galileo Galilei: Copernican system
Aristotle's theory of the solar system explained
Galileo Galilei: sunspots German mathematician Christoph Scheiner.
Why was Galileo persecuted for his discoveries?
frontispiece to Galileo's Dialogue Concerning the Two Chief World Systems, Ptolemaic & Copernican Astronomers Monument
For Students
Galileo
Galileo (Galilei) summary
Galileo
Galileo Timeline
Galileo
Galileo’s Achievements
Quizzes
View of the Andromeda Galaxy (Messier 31, M31).
Astronomy and Space Quiz
Model of a molecule. Atom, Biology, Molecular Structure, Science, Science and Technology. Homepage 2010 arts and entertainment, history and society
Science 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
Equations written on blackboard
Numbers and Mathematics
ball bearing. Disassembled ball bearing. rotational friction Automobile Industry, Engineering, Industry, Machine Part, Metal Industry, Sphere, Steel, Wheel
Inventors and Inventions
Related Questions
Read Next
Infinite space background with silhouette of telescope. This image elements furnished by NASA.
Telescopes: Seeing Stars
Planet Jupiter with its moon Io at left, photographed by the Cassini orbiter during the Cassini-Huygens mission, 2000. spacecraft
7 Important Dates in Jupiter History
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?
Discover
Calendar marking march 15th
22 Questions About Time and Timekeeping Answered
World map. Continents. Oceans. Mendel thumb ok
Just How Many Oceans Are There?
Colorful winter sunset
What's the Difference Between a Solstice and an Equinox?
pyramid sunset, egypt
What’s Inside the Great Pyramid?
Camel at Khor Rori, Oman; mammal.
Do Camels Store Water in Their Humps?
Rural Irish landscape, Sligo, Ireland.
Why Is Ireland Two Countries?
Shadow of a man holding large knife in his hand inside of some dark, spooky buiding
7 of History's Most Notorious Serial Killers

Galileo: Facts & Related Content

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Facts

Also Known As Galileo Galilei
Born February 15, 1564 • Pisa • Italy
Died January 8, 1642 (aged 77) • Italy
Inventions Galilean telescope • hydrostatic balance • thermometer • compass
Notable Works “Dialogue Concerning the Two Chief World Systems—Ptolemaic and Copernican” • “The Sidereal Messenger”
Notable Family Members father Vincenzo Galilei
Subjects Of Study Jupiter • Milky Way Galaxy • Pleiades • Sun • Copernican system • Galilean satellite • Galilean transformations • gravity • motion • planet • Solar System • sunspot • pendulum

Did You Know?

  • Galileo constructed his famous telescope without having seen an example of the Dutch instruments.
  • Galileo designed a new form of hydrostatic balance, an instrument for weighing objects using air and water.

Photos and Videos

Galileo
Galileo's telescopes
Galileo's illustrations of the Moon
Galileo Galilei: Copernican system
Galileo Galilei: sunspots
German mathematician Christoph Scheiner.
frontispiece to Galileo's Dialogue Concerning the Two Chief World Systems, Ptolemaic & Copernican
Astronomers Monument
Galileo
Galileo
Aristotle's theory of the solar system explained
Why was Galileo persecuted for his discoveries?
How the barometer was invented
See All Videos and Images →

Related Topics and References

Dig Deeper: More Articles That Discuss This Topic
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Related Quizzes and Features

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
Equations written on blackboard
Numbers and Mathematics
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
ball bearing. Disassembled ball bearing. rotational friction Automobile Industry, Engineering, Industry, Machine Part, Metal Industry, Sphere, Steel, Wheel
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View of the Andromeda Galaxy (Messier 31, M31).
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Model of a molecule. Atom, Biology, Molecular Structure, Science, Science and Technology. Homepage 2010 arts and entertainment, history and society
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Alberto Santos-Dumont. Postcard of Brazilian aviator Alberto Santos-Dumont's (1873-1932) airship or dirigible and Eiffel Tower. The Santos Dumont Air-Ship rounding the Eiffel Tower; on Octoboer 19th 1901. airplane
A History of Everyday Technology in 68 Quiz Questions
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.
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