Asked in a 2020 paperModerate

Which dwarf planet was given the status of an "ocean world" as it has a big reservoir of salty water underneath its frigid surface by scientists at NASA in Aug, 2020?

Correct answer: C. Ceres

  • A. Makemake
  • B. Pluto
  • C. Ceres
  • D. Eris

Explanation

Ceres is the dwarf planet identified by NASA scientists as an ocean world because evidence suggests a deep reservoir of salty liquid water beneath its icy surface. Pluto also may contain subsurface water, but this specific 2020 finding concerned Ceres.

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