Skip to ContentGo to accessibility pageKeyboard shortcuts menu
OpenStax Logo
Astronomy

Review Questions

AstronomyReview Questions

Review Questions

1.

Describe the main differences between the composition of Earth and that of the Sun.

2.

Describe how energy makes its way from the nuclear core of the Sun to the atmosphere. Include the name of each layer and how energy moves through the layer.

3.

Make a sketch of the Sun’s atmosphere showing the locations of the photosphere, chromosphere, and corona. What is the approximate temperature of each of these regions?

4.

Why do sunspots look dark?

5.

Which aspects of the Sun’s activity cycle have a period of about 11 years? Which vary during intervals of about 22 years?

6.

Summarize the evidence indicating that over several hundreds of years or more there have been variations in the level of the solar activity.

7.

What it the Zeeman effect and what does it tell us about the Sun?

8.

Explain how the theory of the Sun’s dynamo results in an average 22-year solar activity cycle. Include the location and mechanism for the dynamo.

9.

Compare and contrast the four different types of solar activity above the photosphere.

10.

What are the two sources of particles coming from the Sun that cause space weather? How are they different?

11.

How does activity on the Sun affect human technology on Earth and in the rest of the solar system?

12.

How does activity on the Sun affect natural phenomena on Earth?

Order a print copy

As an Amazon Associate we earn from qualifying purchases.

Citation/Attribution

This book may not be used in the training of large language models or otherwise be ingested into large language models or generative AI offerings without OpenStax's permission.

Want to cite, share, or modify this book? This book uses the Creative Commons Attribution License and you must attribute OpenStax.

Attribution information
  • If you are redistributing all or part of this book in a print format, then you must include on every physical page the following attribution:
    Access for free at https://openstax.org/books/astronomy/pages/1-introduction
  • If you are redistributing all or part of this book in a digital format, then you must include on every digital page view the following attribution:
    Access for free at https://openstax.org/books/astronomy/pages/1-introduction
Citation information

© Jan 28, 2022 OpenStax. Textbook content produced by OpenStax is licensed under a Creative Commons Attribution License . The OpenStax name, OpenStax logo, OpenStax book covers, OpenStax CNX name, and OpenStax CNX logo are not subject to the Creative Commons license and may not be reproduced without the prior and express written consent of Rice University.