fuzzy dark matter
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English
Etymology
From the lack of definition (fuzziness) due to the wave-like nature of fuzzy dark matter, unlike the particle-like of hot dark matter and cold dark matter.
Noun
fuzzy dark matter (uncountable)
- (physics, cosmology, astronomy) A type of dark matter with very low particle mass, with concomitant very large de Broglie wavelength (such as wavelength on the order of kiloparsecs), resulting in a population of overlapping waves, and concentrations of this dark matter modeled as fields and interference patterns, over astronomical and cosmological distances.