9.1 Review- Movement in Space

Front

What is the model of the solar system that shows the Sun at the center?

Back

Heliocentric model

Front

Who was the scientist that observed that planets did not move in a circle around the sun?

Back

Tycho Brahe

Front

Which ancient Greek scientist first developed a heliocentric model?

Back

Aristarchus

Front

What is a ball of dust and ice that forms a tail when it approaches the sun?

Back

Comet

Front

Who developed the geocentric model stating that Earth is the center of the universe?

Back

Ptolemy

Front

What is the term for the model where Earth is at the center of the universe?

Back

Geocentric model

Front

What is the name of the scientist known for his laws of planetary motion?

Back

Johannes Kepler

Front

What is the term for a small rocky body that orbits the sun, often found in the asteroid belt?

Back

Asteroid

Front

What is the name of the force that keeps planets in orbit around the sun?

Back

Gravity

Front

What is the term for a celestial body that orbits a planet?

Back

Satellite