M♁

Translingual

Alternative forms
  • The M is not always italic.

Etymology
  • M (mass) and subindex ♁ (Earth). The use of ⟨M♁⟩ rather than ⟨M🜨⟩ seems particularly common in German-language texts.

Symbol

M♁

  1. (astronomy) Earth mass: a unit of measurement, equal to the mass of planet Earth, which is 6×1024 kg or 3×10−6 M☉.
    The dynamically cold planetesimal disk was 35 M♁, with an inner edge at 15.5 AU and an outer edge at 34 AU.

Synonyms
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