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Models of the Solar System Flashcards

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Questions and Answers

What is the heliocentric model?

The model where the Sun is the center (correct)

The model where the Earth is the center

The model of the universe

The model where the planets orbit around the Earth

What is the geocentric model?

The model that explains gravity

The model where the planets orbit around the Sun

The model where the Earth is the center (correct)

The model of heliophysics

What does 'helio-' mean?

sun

What does 'geo-' mean?

earth Signup and view all the answers

Who is Galileo Galilei?

A scientist who convinced others to believe in the heliocentric model and discovered Jupiter's four moons. Signup and view all the answers

What is Ptolemy's Model?

A geocentric model that explains the motions observed in the sky. Signup and view all the answers

Who discovered that planets orbit in ellipses?

Johannes Kepler Signup and view all the answers

Which scientist believed in the geocentric model of the solar system?

Ptolemy Signup and view all the answers

Name three scientists that believe in the heliocentric model of the solar system.

Copernicus, Kepler, Galileo Signup and view all the answers

What is an ellipse?

An oval shape that represents the orbit of each planet. Signup and view all the answers

Who proposed the arrangement of the known planets and how they revolve around the Sun?

Nicolaus Copernicus Signup and view all the answers

Study Notes

Solar System Models

Heliocentric model positions the SUN at the center with Earth and planets orbiting around it.
Geocentric model places the EARTH at the center, where the sun, moon, and planets revolve around it.

Greek Terminology

"Helio-" comes from Greek, meaning "sun."
"Geo-" originates from Greek, meaning "earth."

Key Figures in Astronomy

Galileo Galilei advocated for the Heliocentric Model and is renowned for discovering Jupiter's four moons.
Ptolemy developed the Geocentric Model and provided explanations for the observed movements in the sky.
Johannes Kepler established that planetary orbits are shaped as ellipses, not perfect circles.

Notable Scientists

Ptolemy is the scientist associated with the belief in the Geocentric model.
Three key proponents of the Heliocentric model include Nicolaus Copernicus, Johannes Kepler, and Galileo Galilei.

Concepts and Definitions

An ellipse is an oval shape representing the orbit of each planet around the sun.
Nicolaus Copernicus is credited with arranging the known planets and describing their revolution around the sun.

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Description

Explore the key concepts of the solar system with this set of flashcards! Learn about the heliocentric and geocentric models, along with Greek prefixes related to 'sun' and 'earth.' Perfect for students wanting to sharpen their understanding of astronomy.