Copernicus
Kepler
Planets
Ptolemy
Night Sky
100

This was Copernicus's religion.

What is Christianity?

100

 Kepler’s second law.

What is a planet’s speed changes as it moves around the Sun?

100

The third planet from the sun.

What is the Earth?

100

This is the shape that he believed planets orbited in

What are circles?

100

Big yellow ball of burning gas.

What is the sun?

200

The result of the tilting of the plane of Earth’s equator, according to Copernicus.

What are changing seasons?

200

The orbital shape that best fit Kepler's data.

What is an ellipse?

200

The first planet from the sun.

What is Mercury?

200

The circular orbit of a planet, the center of which revolves around the Earth in another circle.

What is an epicycle?

200

Reflects the light of the sun at night.

What is the moon?

300

Copernicus's nationality.

What is Polish?

300

 Kepler’s third law.

What is the harmonic law?

300

The 8th planet from the sun.

What is Neptune?

300

The apparent shifting of nearby objects with respect to distant ones as the position of the observer changes.

What is the parallax?

300

Group of stars in a pattern.

What is a constellation?

400

One incorrect assumption Copernicus made in his model.

What is planets moving at a constant speed?

400

The person that Kepler worked with.

Who is Tycho Brahe?

400

The planet with rings. It's the 5th planet from the sun.

What is Saturn?

400

The amount of time that Ptolemy's model of the universe was accepted among scientists.

What is 1300 years?

400

Group of constellations that the sun passes through on its apparent path along the ecliptic.

What is the zodiac?

500

The type of model of the universe did Copernicus’ religious beliefs push him to investigate.

What is sun-centered, or heliocentric?

500

The disease the Kepler almost died from.

What is smallpox?

500

The red planet.

What is Mars?

500

This is the approximate date that Ptolemy lived.

What is AD 150?

500

Backward motion of a planet.

What is retrograde motion?