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What events led to the discovery that earth was not the center of the universe?

Answer 1

Claire Anctil

studies by Nichols copernicus

Galileo observed the moons of Jupiter and the Venusian crescent phases.

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Answer 2

Luke Allen

The events that led to the discovery that Earth was not the center of the universe primarily include observations and theories proposed by astronomers such as Nicolaus Copernicus, Tycho Brahe, and Johannes Kepler. Copernicus proposed a heliocentric model where the Sun, not Earth, was at the center of the universe. Brahe's meticulous observations of celestial bodies provided data that supported Copernicus' model. Kepler later refined this model with his laws of planetary motion, further solidifying the understanding that Earth orbits the Sun, not vice versa.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.