Get to know our little part of the vast universe. Learners read about the common and not-so-common facts about each of the planets in the solar system. The interactive lesson includes a large amount of information as well as a quiz to...

This survey of the planets includes all the basics, size, mass, atmosphere, length of day, and the like. It features interactive activities and learning exercises and compares all of the planets in colorful tables.

Collection of images, with vocalized explanatory captions, of the planets acquired by NASA as part of its exploratory space programs.

Resource provides a deeper look at the planet Neptune. Just click on the frequently asked question link and dive into knowledge.

A good general introduction to planet Neptune for students. Has many links to more detailed information about the planet throughout the page, as well as special links for interesting facts. Also features a printable version of the page.

A detailed overview of the history, mythology, and current scientific knowledge of each of the planets and moons in the solar system.

This stunning site on the solar system gives a great overview of the planets and our sun. Learn about each object's size, vital statistics, and moons. Then go on for a more in depth look at these objects in the column on the left.

Here is a clear, simple picture of the solar system. Click on the names of the planets to learn more about each. Clicking on underlined terms takes you to more and more detailed scientific information.

Get to know the twin of Neptune with this introduction to Uranus. Listen to the information in an audio file. Features include a printable version of the page, and vocabulary words are linked to a glossary of terms.

This site from Hubblesite provides information on the Hubble Telescope. NASA's Hubble Space Telescope has been used to assemble a time-lapse color movie showing a full 16-hour rotation of the distant planet, Neptune.

Only one spacecraft has visited the most distant gas planet, Neptune. This resource provides information about the findings of the Voyager 2 spacecraft's mission to Neptune.

This is a list of links to online resources related to the study of the planets. It has a literary theme associated with the Lewis Carrol poem "The Hunting of the Snark" with many quotes from literature and science. Navigation tools...

This web page contains information and images on the pretesting, space simulation, and launch of Voyager I and Voyager II.

This site has a description of the many probes sent to the outer planets, including pictures and vocabulary words linked to a glossary of terms. Other links on interesting facts and more detailed information are also included.

An introduction to Neptune for young students. Audio content, a glossary, graphics, and a printable version are all included.

Contains a small set of images of solar system objects and a series of links to information about all solar system objects. Solar System Tours link to excellent image collections.

Read about our solar system and its formation over 4.6 billion years ago. Find out about the planets, asteroids, meteors, satellites, and comets. More in-depth planet background can be accessed through links.

This complete resource will help students to improve their understand of space exploration. Includes images of the universe, galaxies, stars and planets.

This site from the Solar System Exploration section of NASA provides an overview of the space mission to Pluto, Charon, and the fringes of our Solar System. It describes the Kuiper Belt, and the objects involved with it, provided links...

A listing of clickable images of objects in the Solar System from the Hubble telescope that includes the following: Venus, Mars, Jupiter, Jupiter's satellites, Saturn, Saturn's rings and satellites, Uranus, Uranus' rings and satellites,...

Colorful, engagingly written information about astronomy and biology for Portuguese-speaking English language learners. Both subjects are broken down into a broad array of related subtopics. The biology section is particularly helpful...

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!