Galileo Galilei

American  

noun

1. Italian physicist and astronomer, 1564–1642.

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Galileo Galilei Scientific  

/ găl′ə-lā′ōgăl′ə-lā′ /

1. Italian astronomer, mathematician, and physicist. He was the first to use a telescope to study the stars and planets, and he discovered various astronomical phenomena and physical principles.

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Example Sentences

It took the Vatican until 1992 to admit that astronomer Galileo Galilei was right almost four centuries earlier about the Sun being the center of our solar system.

From Salon • Jan. 25, 2025

On Earth in 1633, Italian astronomer Galileo Galilei went on trial in Rome for saying that the Earth revolved around the sun.

From Washington Times • Jul. 12, 2023

This was the same view of the universe held by the Italian astronomer Galileo Galilei: the true nature of the universe could be discovered only through mathematics.

From Textbooks • Apr. 19, 2023

Galileo Galilei was already convinced of that in the 16th century.

From Scientific American • Mar. 23, 2023

Even Newton, though, relied on his immediate predecessors, in particular Galileo Galilei and René Descartes, and in that sense his contributions followed naturally from what went before.

From "The Scientists" by John Gribbin