1. Eris By Ethan P.D.

2. Title • Table of contents • What do scientists think the surface of Eris is like and what is the atmosphere like • What is the temperature range and what is the planets diameter or the circumference • The moons of Eris and distance from sun • Distance from Earth and rotation time • Revolving time and how did it get its name • Interesting facts • Bibliography/Webliography Table of Contents

3. The surface of Eris is methane ice. • Eris has a unique atmosphere that collapses to an icy glaze when it gets cold enough. Surface and Atmosphere

4. The average temperature of Eris is -407 degrees. • The diameter of Eris is 2,500 km. Temperature and Diameter

5. Eris has only one moon, Dysnomia. • Dysnomia is the mythological daughter of Eris. • Dysnomia has an icy surface. • Dysnomia was discovered in 2005. • Eris’s distance from the sun is 10.2 x 10 to the 9th power. Moons and Distance from the sun

6. It takes 25.9 Earth hours to rotate once. • Eris is 15 billion kilometers away from Earth. Miles from the Earth and Rotationtime

7. It takes 557 Earth years to revolve around the sun. • Eris got its name from the Greek goddess of discord and strife. Revolving time and how did Eris getits name

8. Eris the Greek goddess caused the Trojan war. • Eris is the largest dwarf planet. Important facts

9. World book E.6 • http://amazing-space.stsci.edu Amazing Space • http://starchild.gsfc.nasa.gov/docs/StarChild/ Star Child • http://solarsystem.nasa.gov Solar System • http://dwarfplanets.net Dwarf Planets Bibliography/Webliography