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Galileo discovered that the sun is not a perfect, unblemished celestial body as previously thought; instead, he observed sunspots—dark patches on the sun's surface that change over time. This challenged the prevailing belief in the sun's perfection and introduced the idea that celestial bodies could undergo changes. Initially, some may have found this hard to believe, as it contradicted the Aristotelian view of the heavens as immutable and flawless. His findings were pivotal in advancing our understanding of the sun and the nature of the universe.

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2w ago

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What did Galileo discover on the sun?

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The first man to discover that the earth moves around the sun was an Italian scientist named Galileo Galilei.


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How did Galileo make the discovery of the sun?

Galileo did not discover the sun; rather, he made observations about the sun using a telescope he built. Through his observations, he discovered sunspots and tracked the sun's rotation. These observations helped to confirm that the Earth revolves around the sun.


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