Historical Astronomers

Front

What was the punishment Galileo received for believing in heliocentrism?

Back

He was placed under house arrest.

Front

Who discovered that planetary orbits are in the shape of an ellipse?

Back

Kepler.

Front

Who discovered that stars and other celestial objects are not fixed in the sky?

Back

Tycho Brahe.

Front

What model of the universe did Ptolemy believe in?

Back

A geocentric model where the Sun and planets orbit the Earth.

Front

What type of universe model did Copernicus introduce?

Back

Heliocentric.

Front

What is heliocentrism?

Back

The astronomical model in which the Earth and planets revolve around the Sun.

Front

What is geocentrism?

Back

The astronomical model in which the Earth is at the center of the universe and all other celestial bodies orbit it.

Front

What significant contribution did Tycho Brahe make to astronomy?

Back

He provided detailed observations of celestial objects, which were crucial for later astronomers.

Front

What did Kepler's laws of planetary motion describe?

Back

The motion of planets around the Sun, including their elliptical orbits.

Front

What was the significance of Copernicus's work in astronomy?

Back

He challenged the geocentric model and laid the groundwork for modern astronomy with his heliocentric theory.