Local Bubble

proper noun

A cavity in the interstellar medium of the Orion Arm of the Milky Way estimated to be around 1,000 light years in diameter, with the Solar System sitting close to its centre; likely to be the result of a supernova which exploded in the last ten to twenty million years.

Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

proper nounthe Local Bubble
  1. astronomyA cavity in the interstellar medium of the Orion Arm of the Milky Way estimated to be around 1,000 light years in diameter, with the Solar System sitting close to its centre; likely to be the result of a supernova which exploded in the last ten to twenty million years.

Synonyms & antonyms

Also see
local hot bubble

Translations

Chinese Mandarin 本地泡, 本地腔
  • 本地泡 (Běndìpào)Translations
  • 本地腔 (Běndìqiāng)Translations
Finnish Paikallinen kuuma kupla
  • Paikallinen kuuma kuplaTranslations
Polish Bąbel Lokalny
  • Bąbel LokalnyTranslations
Russian Ме́стный пузы́рь
  • Ме́стный пузы́рь (Méstnyj puzýrʹ)Translations
Cite this entry
APA

Local Bubble. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/Local%20Bubble

MLA

“Local Bubble.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Local%20Bubble. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “Local Bubble,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/Local%20Bubble.

Source: Local Bubble on Wiktionary, CC BY-SA 4.0.