Revolutionary Astronomers Flashcard Review

Front

What star were the Pyramids of Egypt aligned towards due to the precession of the equinoxes?

Back

Thuban

Front

Who measured the size of the Earth in antiquity?

Back

Eratosthenes

Front

Which astronomer first suggested that the Earth rotates on its axis?

Back

Aristarchus

Front

What was one inaccuracy of the Copernican model?

Back

That the universe was made of 8 spheres.

Front

What did Johannes Kepler suggest about planetary orbits?

Back

He suggested that planets have elliptical orbits.

Front

What is the significance of Thuban in ancient astronomy?

Back

Thuban was the pole star during the time of the construction of the Pyramids.

Front

Who was Tycho Brahe and what was his contribution to astronomy?

Back

Tycho Brahe was an astronomer known for his accurate and comprehensive astronomical observations.

Front

What was the main idea of Copernicus' heliocentric model?

Back

The heliocentric model proposed that the Sun is at the center of the solar system, not the Earth.

Front

What did Aristarchus propose about the structure of the solar system?

Back

Aristarchus proposed that the Earth revolves around the Sun.

Front

What is the Almagest and who published it?

Back

The Almagest is a mathematical and astronomical treatise published by Ptolemy.