The Solar System Answers

0 verified answers1 views

Free Preview

Which idea did Ptolemy’s model use to explain why the planets appeared to move backward as they moved in their orbits?

The planets spun in epicycles.

The planets rotated on their axes.

The planets revolved around the Sun.

The planets were made of different materials.

Free Preview

What do comets and asteroids have in common?

They are made of ice.

They orbit the Sun.

They are made of metal debris.

They are at the center of the solar system.

Did you find these answers helpful?

More from this Course