little red dot

See also: Little Red Dot

English

Etymology

From little +‎ red +‎ dot. From only being visible beyond the red end of the visible spectrum, being a small and unresolved dot in imaging.

Noun

little red dot (plural little red dots)

  1. (astronomy) A type of galaxy found in the distant early universe, appearing as a background small dot in deep surveys in infrared astronomy.
    Synonym: LRD

Further reading

This article is issued from Wiktionary. The text is available under Creative Commons Attribution-Share Alike 4.0 unless otherwise noted. Additional terms may apply for the media files.