astronomical transient

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English

Etymology

astronomical +‎ transient From being a traditional astronomical source (optical astronomy, and star-like) of an ephemeral nature

Noun

English Wikipedia has an article on:

Transient astronomical event

astronomical transient (plural astronomical transients)

(astronomy) A localized discrete transient optical spectrum event at astronomical distances.

Derived terms

AT (prefix for naming of events of such a nature)

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