Across
- 4. Mike _______, astronomer who discovered Eris
- 5. Eris's discovery challenged the definition of a ______
- 7. Eris was discovered in 2005
- 8. Eris's surface is believed to be mostly ______
- 9. Eris is part of our ______ ______
- 12. Another dwarf planet in the Kuiper Belt
- 13. Region where Eris is located
Down
- 1. Eris has a highly elliptical ______
- 2. Eris is named after a ______ goddess
- 3. Eris was initially nicknamed "Xena"
- 5. Eris led to the reclassification of this celestial body
- 6. Dwarf planet similar in size to Pluto
- 7. Moon of Eris
- 10. Eris is part of this distant solar system region
- 11. Eris's ______ is slightly smaller than Pluto's