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planetary nebula

noun

Etymology

Coined by William Herschel because of their apparent resemblance to the planet Uranus.

Definitions

  1. A nebulosity surrounding a dying red giant, consisting of material expelled by the star.

The neighborhood

Vish — recursive loop

No curated loop yet for planetary nebula. Loops are being traced one word at a time while the ingestion pipeline matures.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA