Kids astronomy. What is Pluto like? How do we know about this dwarf planet?

Learn all about Pluto ..its discovery, basic facts, recognition as a planet, and most recently, its 'demotion' from a planet to a dwarf planet. The brief, to the point text makes this site most suitable for younger researchers.

This resource provides a nice overview of Pluto. Get information on Pluto's size, tilt, orbit and surface features. There is also a brief explanation of the "New Horizons" space probe.

Explore space beyond Pluto in the Kuiper Belt region of our solar system. Find out about the space bodies that exist there and what our space missions have taught us about this far away region.