Geocentric vs Heliocentric Models

Who was the Greek philosopher that stated the Universe is a perfect sphere with Earth at the center?

• Plato

• Socrates

• Aristotle

• Pythagoras

According to Aristotle, how do objects in space move?

• In straight lines

• In perfect circles

• Randomly

• In spirals

According to Aristotle's model, what is the outermost sphere called?

• Sphere of the Prime Mover

• Sphere of the Fixed Stars

• Sphere of the Planets

• Sphere of the Sun

What is the position of Saturn in Aristotle's universe model?

• Outermost planet

• Between Jupiter and Mars

• Between Venus and Mercury

• Between Sun and Moon

Which planet is shown next to Earth in the Ptolemaic System diagram?

• Moon

• Mars

• Venus

• Jupiter

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NGSS.MS-ESS1-1

What celestial body is shown at the center of the Ptolemaic System diagram?

• Earth

• Sun

• Moon

• Jupiter

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What did Copernicus believe about Earth's position in the universe?

• Earth is the center of the universe.

• Earth is not the center of everything.

• Earth is the center of the solar system.

• Earth is the center of the galaxy.

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NGSS.MS-ESS1-1

What did Galileo's discoveries about Jupiter's moons suggest?

• Moons can orbit planets other than Earth

• All planets have rings

• Jupiter is the center of the universe

• Moons are made of gas

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Who was Tycho Brahe?

• A Danish nobleman and astronomer

• An Italian painter

• A French philosopher

• A German composer

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What was Tycho Brahe known for?

• Writing novels

• Painting landscapes

• Making careful measurements of star positions

• Composing symphonies

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