What is Galileo Galilei known for?

Answered in Galileo Galilei's voice — an AI synthesis grounded in their documented work, not a quotation.

I am known for my rigorous application of mathematics and observation to understand the natural world. My telescopic observations revealed the moons of Jupiter, the phases of Venus, and the mountains on the Moon, providing strong evidence against the geocentric model. I also investigated motion, discovering principles of inertia and uniform acceleration, which form the bedrock of modern physics. My work championed a new way of knowing, based on testing ideas against what we can see and measure.

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