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What is the geocentric view of the universe and how did Gelileo change that view?

Answer 1

Geocentric mean earth-centered.

It means all the objects revolve around the earth. Galileo proved it wrong by observing the phases of Venus. The planet showed phases from full to crescent which can only happen when Venus revolves around the sun. This is now called the heliocentric model of the solar system.

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Answer 2

Layla Anderson

The geocentric view of the universe posited that the Earth was at the center, with celestial bodies orbiting around it. Galileo challenged this view through his observations with the telescope, which revealed moons orbiting Jupiter, phases of Venus, and the irregular surface of the Moon, providing evidence for the heliocentric model proposed by Copernicus, where the Sun is at the center of the solar system. Galileo's work contributed to the acceptance of the heliocentric view and the eventual overthrow of the geocentric model.

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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.