Word.ws English Dictionary

Local Bubble

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.

Proper noun

the Local Bubble

  1. 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.

Questions about Local Bubble

What does Local Bubble mean?
Local Bubble means 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.
What part of speech is Local Bubble?
Local Bubble is a proper noun.

Words near Local Bubble in the dictionary

  1. local authority
  2. local batteries
  3. local battery
  4. local board
  5. local boards
  6. Local Bubble
  7. local cell
  8. local cells
  9. local circuit
  10. local circuits
  11. local class

Source and license

Adapted from Wiktionary: Local Bubble (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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