Eris is more massive than Pluto.
- True
- False
Answer: True
Eris, discovered in 2005, is slightly more massive than Pluto, prompting the IAU to redefine 'planet' and create the 'dwarf planet' category.
Answer: True
Eris, discovered in 2005, is slightly more massive than Pluto, prompting the IAU to redefine 'planet' and create the 'dwarf planet' category.