Galileo Galilei

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.

Example Sentences

In 1610, astronomer Galileo Galilei used the newly invented telescope to show that the Milky Way was composed of a huge number of faint stars.

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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.

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The astronomer Galileo Galilei stayed here several times in the 17th century, until the family of artistic patrons eventually sold it off.

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Astronomer Galileo Galilei once lived in the castle, and there are remains of prehistoric fossils that date back 300,000 years in the dungeon.

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

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