Eris and Makemake are worlds with active internal processes. This could mean a lot of things, up to and including oceans inside. "I thought these were going to be big comets or something where ...

5, an Omicron sub-variant of the coronavirus or SARS-Co-V-2. The sub-variant has since been named Eris. About 10 days ago, the World Health Organization designated EG.5 or Eris as a “variant of ...