Asked by Dino cat

Lesson 4: Theories about the Universe

Word Bank-you may use a word more than once.

Element

same

sun

Geocentric

Andromeda

telescope

math

gravity

out

radiation

older

single

Helocentric

How is the universe organized? There are many theories. The blank Model states the Earth is at the center of the universe. This was one of the blank theories and made sense to people because people did not feel like they were on a moving object and they saw objects (sun, stars, moon) move across the sky. In this theory all objects move at the same speed. A blank with the geographic model was the observation that objects were in blank locations in the sky on different days.

The blank Model states the sun is at the center of the universe.The planets and other objects revolve around the blank. This model was proposed by Nicolaus Copernicus. Galileo Galilei, Johannes Kepler, and Isaac Newton supported this model. Galileo used his blank to support the model Kepler used blank to calculate the orbits of planets. Newton's laws of motion and blank explained orbits. Scientific and mathematical evidence supported the heliocentric model.

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Answered by GPT-4o mini
How is the universe organized? There are many theories. The **Geocentric** Model states the Earth is at the center of the universe. This was one of the **older** theories and made sense to people because people did not feel like they were on a moving object and they saw objects (sun, stars, moon) move across the sky. In this theory all objects move at the **same** speed. A problem with the geographic model was the observation that objects were in **different** locations in the sky on different days.

The **Heliocentric** Model states the sun is at the center of the universe. The planets and other objects revolve around the **sun**. This model was proposed by Nicolaus Copernicus. Galileo Galilei, Johannes Kepler, and Isaac Newton supported this model. Galileo used his **telescope** to support the model. Kepler used **math** to calculate the orbits of planets. Newton's laws of motion and **gravity** explained orbits. Scientific and mathematical evidence supported the heliocentric model.

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