English Explanatory Dictionary

Local Bubble

English dictionary entry

Meanings

name
  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.

Word forms

Local Bubble the Local Bubble

Related words

Local Fluff
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