Pluto is usually the outermost planet in the solar system, and is the only planet that has not been visited by a spacecraft from Earth. This mysterious planet is really a double planet system, since its moon, Charon, is very close to Pluto and about the same size. Pluto's unique orbit causes it to periodically come within the orbit of Neptune. Pluto was the eighth planet from the Sun from ...
www.windows.ucar.edu/tour/link=/pluto/pluto.html
Pluto Pluto is the farthest planet from the Sun (usually) and by far the smallest. Pluto is smaller than seven of the solar system's moons (the Moon, Io, Europa, Ganymede, Callisto, Titan and Triton). orbit: 5, 913, 520, 000 km (39.5 AU) from the Sun (average) diameter: 2274 km mass: 1.27e22 kg In Roman mythology, Pluto (Greek: Hades) is the god of the underworld. The planet received this name ...
nineplanets.org/pluto.html
Although Pluto was discovered in 1930, limited information on the distant planet delayed a realistic understanding of its characteristics. Today Pluto remains the only planet that has not been visited by a spacecraft.
solarviews.com/eng/pluto.htm
nssdc.gsfc.nasa.gov/planetary/planets/plutopage.html
An informative, accurate description of Pluto with pictures ...
www.solarspace.co.uk/Pluto/Pluto.htm
Pluto - mostly the furthest out! From ORRERY: the Solar System in action.
www.harmsy.freeuk.com/pluto.html
NSSDC Photo Gallery: Pluto - A collection of images of the planet Pluto ...
nssdc.gsfc.nasa.gov/photo_gallery/photogallery-pluto.html
Pluto | Planet Profile | Clearest View
pds.jpl.nasa.gov/planets/welcome/pluto.htm
Pluto Clearest View Please select an image above. ...
pds.jpl.nasa.gov/planets/choices/pluto1.htm
csep10.phys.utk.edu/astr161/lect/pluto/pluto.html
Describes EVERYTHING on Pluto, the ninth planet ...
www.maxpages.com/allaboutpluto
