Wikimedia
Wikipedia: Neptune
Wikipedia, a publicly-maintained encyclopedia, provides information on the planet Neptune, including physical characteristics, exploration, moons, and more. Additional links provided.
European Space Agency
European Space Agency: Esa Kids: Our Universe: Neptune
A basic overview of the planet Neptune. Links to information about the other planets and objects in our solar system are included.
California Institute of Technology
Cal Tech: Cool Cosmos: Ask an Astronomer: How Many Moons Does Neptune Have?
Resource provides a brief answer to this question.