Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Insufficiently luminous

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

under- +‎ luminous

Examples

  • With current and upcoming millimeter wave telescopes (ex: ALMA), astronomers will be able to explore why our black hole is so underluminous, whether it is spinning and how fast, how well general relativity holds up in such a strong-field regime.

    Archive 2009-01-08

  • Both articles involve white dwarf binaries and result in underluminous, short maxima supernovae.

    Found: Theoretical Supernova Actually Exists | Universe Today

  • Astronomy & Astrophysics in 2009 ( "Weak lensing observations of potentially X-ray underluminous galaxy clusters," by J. Dietrich et al.).

    Signs of the Times

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