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Meaning of light sector | Babel Free

Noun CEFR B2

Definitions

  1. The known universe; the part of the universe that is not part of the dark sector; the segment of the universe that is explained by the known laws of physics, and whose components (particles) are predicted by it. The portion of the universe that is not dark matter nor dark energy.
  2. The fraction of the universe that interacts with electromagnetism (ie. light).

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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