411 REFERENCE · Wiktionary
Local Bubble
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Proper noun
Local Bubble 1
en astronomy 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.
Related terms
en Local Fluff
Translations
Chinese:
Mandarin: cmn 本地泡, cmn 本地腔
Finnish: fi Paikallinen kuuma kupla
Polish: pl Bąbel Lokalny m
Russian: ru Ме́стный пузы́рь m