Unit Test — Unit test Answers

Which type of star system has the most stars?

How did Galileo increase public support for Copernicus’s model?

What is some of the evidence used by Galileo to support Copernicus’s model and disprove Aristotle and Ptolemy’s?

Which phrase describes the composition of the outer planets?

Which statement accurately describes a light-year?

Which characteristic is common to all inner planets?

According to the big bang theory, which statement is accurate about how the universe came to be?

When two objects are near each other, how would increasing one object’s mass affect it?

What can be observed only by observing its effects on gravity?

What is released through nuclear fusion in stars?

Look at the diagram of the moon and three different paths that it could take.

What will a medium-mass star become at the very end of its life cycle?

About how long does it take Earth to complete one revolution around the Sun?

What occurs when the moon blocks the view of the Sun?

Which correctly lists three planets that have rings?

Which planet revolves slowly around the Sun, has rings, and is known for its Great Red Spot?

At which location would an object’s weight be the greatest?

How is the moon illuminated?

Which statement explains how planets move in orbit as supported by Newton’s first law of motion?

Which two characteristics are used to classify stars on the Hertzsprung-Russell diagram?