The scientific history behind the discovery of the planet Neptune.

Prepared by NASA, this site provides a detailed look at the planet Neptune. The menu tabs are divided into overview, moons, rings, photo gallery, and facts and figures. Just click to access specific information on any of these topics.

[Free Registration/Login may be required to access all resource tools.] Describes the features of Neptune.

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

NASA offers a photo gallery of Neptune images. Each image includes a detailed caption describing what the image is of, and the captions are also available in streaming audio.

Wikipedia, a publicly-maintained encyclopedia, provides information on the planet Neptune, including physical characteristics, exploration, moons, and more. Additional links provided.

Resource has text information to compare Neptune with Earth. Includes Neptune observational data, orbital data, magnetosphere, and atmosphere. Also contains an image of Neptune that can be enlarged.

[Free Registration/Login may be required to access all resource tools.] Describes the features of Neptune.

This is an online photocopy of the original text of the children's book Neptune or The Autobiography of a Newfoundland Dog by E. Burrows (1890), a novel about the life of a dog from the dog's point of view.

Full text of Thomas Campion's "A Hymn in Praise of Neptune" from the Oxford Book of English Verse.

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 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.

Changes in the atmosphere of Neptune as recorded by the Hubble Space Telescope.

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

Resource provides a brief answer to this question.

A data table of nearly everything known about the ring system of Neptune. The resource also includes an image of the rings of Neptune that can be enlarged.

A pair of small tables of data that contain just about everything known about the moons of Neptune.

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.

NASA offers a photo gallery of Neptune images. Each image includes a detailed caption describing what the image is of, and the captions are also available in streaming audio.

NASA offers a photo gallery of Neptune images. Each image includes a detailed caption describing what the image is of, and the captions are also available in streaming audio.

NASA offers a photo gallery of Neptune images. Each image includes a detailed caption describing what the image is of, and the captions are also available in streaming audio.

Court of Neptune Fountain (Washington)

Neptune Fountain, Piazza della Signoria (Florence)

Neptune Fountain, Boboli Gardens (Florence)