Pluto

9th Major Satellite From The Sun

2374 km (Earth Is 7926 km)

http://nssdc.gsfc.nasa.gov/planetary/factsheet/plutofact.html

https://lowell.edu/in-depth/pluto/the-discovery-of-pluto/

km At Equator:

Rings?

Scientists Think That There Could Be Rings, But It Hasnt Been Proven Yet.

Discovery:

A man named Percival Lowell was the first to suspect there was another "planet" beyond Neptune, but he wasnt the one to actually discover it. A boy from Kansas named Clyde Tombaugh discovered pluto on Feburary 18, 1930.