Unit Test — Unit test Answers

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

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

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

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

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

How was Aristotle’s model similar to Ptolemy’s model?

Which type of galaxy has arms that contain sites of active star formation and start close to a bulge in the center?

Which type of star system has the most stars?

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

What is a nebula?

What is released through nuclear fusion in stars?

What are the two main types of star clusters?

Which planet is terrestrial?

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

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

Which statement accurately describes a light-year?

Which feature is used to classify galaxies?

Which of the moon’s properties prevents it from being pulled inward by Earth?

Mischka is an amateur astronomer. Using her telescope, she looks out past the Earth’s atmosphere and observes an object with a long, bright, cloud-like tail behind it. What is Mischka observing?

What are the layers of the Sun, starting from the surface and moving inward?