Pluto
- has a diameter of 4,000 kilometres
- is 5,900 million kilometres from the sun
- takes 6 days to spin once on its own axis
- takes 248 years to orbit the sun
- has 1 moon, Charon
- has a surface temperature of –230 degrees Celsius
The atmospheric composition of Pluto is 98% Nitrogen and 2% Methane and Carbon Monoxide.
A picture of Pluto and its moon Charon.
Interesting fact:
NASA plans to launch a spacecraft, the Pluto express, in 2001, which will allow scientists to study the planet.