Wiktionary

planetary nebula nucleus

English

edit

Etymology

edit

From planetary nebula +‎ nucleus.

Noun

edit

planetary nebula nucleus (plural planetary nebula nuclei)

  1. (astronomy) The remnant hot luminous core of the stellar progenitor of the planetary nebula, which ionizes the surrounding planetary nebula.

Synonyms

edit
  • PNN (abbreviation)

Derived terms

edit
  • PNN (abbreviation)
Retrieved from "https://en.wiktionary.org/w/index.php?title=planetary_nebula_nucleus&oldid=81085649"