This resource is a place for learning all about astronomy--stargazing, planets, space science, and interesting astronomical phenomena and discoveries. Explore, ask questions, find information, and meet American Museum of Natural History...

A university-level introduction to basic astronomy. Includes course readings, assignments, exams, and study notes with links to images and to biographical profiles of famous astronomers.

This is an online photocopy of the original text of the children's book Steele's Sciences: New Descriptive Astronomy by Joel D. Steele (c1884), an astronomy text for children.

The National Optical Astronomy Observatory runs most of the big professional optical telescopes in the United States and this is their homepage. It includes information about the many facilities they run, some of the recent science...

This site is about Astronomy and Astrophysics. The site has plenty of information and links to related topics.

NASA sponsored site dealing with several topics in Astronomy and Astrophysics. The site provides links to various topics.

The University of Arizona operates Steward Observatory research website and the Department of Astronomy academic website.

In this interactive module students will explore what different ancient cultures believe was an explanation of the stars and planets. They will look at how the work of Nicolas Copernicus revolutionize the world of astronomy and learn how...

Learn everything you can about outer space with this interactive astronomy unit. 2 levels of difficulty with modules on the solar system, the universe, other "space stuff" and a glossary of terms. Links for parents and other great website.

A searchable collection of "curriculum materials, images, classroom demonstration, learning resources, evaluation instrumnets, and articles about approaches to astronomy education". Users can contribute materials by creating a free account.

In this lesson, students listen to and discuss poetry that pertains to the study of astronomy and write their own poems to enhance their learning of the subject. As a final project, students use the ReadWriteThink Printing Press to...

Take this ten-question self-scoring quiz to test your knowledge of astronomy facts: age of the universe, why stars and planets are spheres, where other life might exist in the outer space, the Milky Way, and more.

NASA scientist Sten Odenwald calls this his "web site for the astronomically disadvantaged." Do you have lots of questions about space that you can't seem to get answers to? Would you like to learn about a career in astronomy, Big Bang...

A collection of ten hands-on science experiments for the entire family that will help you understand concepts in astronomy. Make an astrolabe, find the size of the sun and moon, build a lunar settlement, find out about meteoroids, shadow...

A time line of the history of astronomy.

This site from SkyServer provides information where students are introduced to Galileo and are transported back in time to learn what "Old Time Astronomy," was all about.

This NASA article discusses the history of gamma-ray astronomy. Related resources.

Using the early Dunhuang Star Atlas, an important historical and scientific document of the sky seen from China dating from before AD 700, learn about astronomical history from the perspective of China. Find resources and analysis that...

Explore some of our most fundamental questions about space exploration with this research overview collected by scientists at the National Science Foundation. Additionally, experience deep space first-hand with telescope interactives.

A fantastic collection of information about the solar system. Includes information on all of the planets, the moon, the sun, asteroids, comets, meteoroids, and stars. Also find puzzles, a dictionary, quizzes, classroom activities, and...

An image of a quasar. The large redshifts imply that quasars lie near the edge of the observable universe and must emit tremendous amounts of energy. There are also many embedded links to related topics.

A complete, multi-page tutorial on infrared radiation and its importance to astronomical studies.

A university-level course in basic observational procedures in astronomy. Covers how to use a telescope, and includes lecture notes.

Where is our Solar System? How far away is the sun? What makes up the sun? Find out all you want to know about our solar system. This is a comprehensive on-line site about space and astronomy. Check out all of the excitement!