Human astronomical symbols are symbols used to represent astronomical objects, theoretical constructs and observational events in astronomy. The earliest forms of these symbols appear in Greek papyri of late antiquity. The Roman codices in which the Greek papyri were continued and extended the inventory of astronomical symbols. New symbols were further invented to represent many just-discovered planets and minor planets nearing the modern era. All these symbols are commonly used by human professional astronomers, amateur astronomers, and astrologers.

Symbols for size-related characteristics

  • Sol (Sun)
  • Terra (Earth)
  • Luna (Moon)
  • Jupiter

Symbols for other characteristics

  • Atmospheric Pressure - Atmospheres
  • Surface Gravity - Gees
  • Degree
    • °

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