Discover Basic Information about Astronomy and Space Exploration
From John P. Millis, Ph.D, former About.com Guide
The Big Questions
Here is a growing list of essential questions and answers about astronomy and space.
If you can't find the answer to your question on the site, please let us know.
- What Is Astronomy?
- What Is the Solar System?
- What Is the Big Bang Theory?
- What Is the Milky Way?
- More Frequently Asked Questions
Astronomy Resources
Discover resources including publications and web sites dealing with astronomy. Find software for use in astronomy. Learn about all the computer resources for astronomy and space.
Fields of Astronomy
There are a number of ways to define astronomy and the science of astronomy can be broken down into several different but related fields. Here are some of those fields of astronomy.
Astronomy Basics
Discover definitions and answers to frequently asked questions. Learn the basics of astronomy. This is where you can find what you need to know about astronomy.
Space Basics
Space exploration is a fascinating topic for many people. The phrase "rocket science" denotes something very hard. However, there is some basic information that many people can and do learn. Discover definitions and answers to frequently asked questions. Learn the basics of space exploration.
Space Exploration History
Discover the history of space exploration. From the first beep in the nightsky of Sputnik through the visit to the international Space Station, learn more about space exploration history.
Space Missions
Space missions are designed to explore the unknown and learn more about the universe around us. Whether it's a manned space mission to the moon, a robot explorer in the solar system or a probe to the galaxy beyond, learn more about space exploration missions.