entity: body
description: >
  A natural object in the solar system that a probe on record here has
  visited — planet, moon, dwarf planet, comet, asteroid, or the Sun itself.
id:
  prefix: BOD
  width: 3
dir: body
strict: true
fields:
  title:
    type: string
    required: true
  kind:
    type: enum
    values: [planet, moon, dwarf-planet, comet, asteroid, star]
    required: true
  visited_by:
    type: list
    items: {type: ref, entity: probe}
    required: true
    description: >
      probes on record here that have visited this body; kept as the mirror
      of each probe's `visited` list
  confidence:
    type: enum
    values: [believed-correct]
    required: true