Trivia questions and answers, drawn fresh from the well

• Intermediate Intermediate difficulty.
• The Heliocentric Model

In the heliocentric model, what causes the apparent retrograde motion of outer planets?

Answer

Earth overtaking outer planets

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• Intermediate Intermediate difficulty.
• The Heliocentric Model

What year did Kepler publish his first two laws of planetary motion?

Answer

1609

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• Intermediate Intermediate difficulty.
• The Heliocentric Model

In what year was Galileo's Dialogue Concerning the Two Chief World Systems published?

Answer

1632

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• Intermediate Intermediate difficulty.
• The Heliocentric Model

Which Polish university did Nicolaus Copernicus attend?

Answer

Jagiellonian University

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• Easy Easy difficulty.
• The Heliocentric Model

What was the name of Tycho Brahe's observatory on the island of Hven?

Answer

Uraniborg

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• Easy Easy difficulty.
• The Heliocentric Model

What is the standard unit for the Earth-Sun distance?

Answer

Astronomical unit

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• Easy Easy difficulty.
• The Heliocentric Model

How many planets were known to Copernicus?

Answer

Six

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• Easy Easy difficulty.
• The Heliocentric Model

What is the name of the force that keeps planets orbiting the Sun in Newtonian physics?

Answer

Gravity

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• Easy Easy difficulty.
• The Heliocentric Model

What instrument did Galileo improve to observe the heavens?

Answer

Telescope

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• Easy Easy difficulty.
• The Heliocentric Model

How many moons of Jupiter did Galileo discover?

Answer

Four

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• Easy Easy difficulty.
• The Heliocentric Model

In what city was Nicolaus Copernicus born?

Answer

Toruń

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• Hard Hard difficulty.
• The Heliocentric Model

What year did Galileo first observe the phases of Venus?

Answer

1610

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