Phrase guide
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noun
A localized discrete transient optical spectrum event at astronomical distances.
Definition source: English Wiktionary via Wiktextract
Topics: astronomy, natural-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
From astronomical + transient. From being a traditional astronomical source (optical astronomy, and star-like) of an ephemeral nature.
