Earth and the solar system

What is the geocentric model?

• Everything revolves around Earth

• Everything revolves around the sun

• The Earth rotates in place

• Everything has a circular orbit

The heliocentric model means

• The Earth is the center of the solar system

• The moon is the center of the solar system

• The sun is the center of the solar system

• The solar system has perfectly circular orbits

What is a constellation?

• Stars that move in the sky

• Stars that seem to move backwards

• A group of stars that drift apart

• A pattern of stars that stay together

Wandering stars are

• Stars that seem to move backwards

• Stars that don't move

• Stars that move quickly

• Stars that move slowly

What is parallax?

• The apparent sight of two objects when viewed from a single point

• Seeing different objects when viewing from two different locations

• An apparent shift in the position of an object when viewed from different locations

• I don't remember

Which word is related to Ptolemy?

• Orbit

• Revolution

• Epicycles

• Rotation

What are epicycles?

• a small circle whose center moves around the circumference of a larger one

• A large circle whose center moves around the circumference of a smaller one

• A planet's orbit around the sun

• I don't know

According to Kepler, what shape are planetary orbits?

• Circular

• Square

• Triangle

• Oval

What are telescopes used for?

• To help large objects seem smaller

• To help see microscopic objects

• To help see objects that are close up

• To help see objects that are far away