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Meaning of cosmological horizon | Babel Free

Noun CEFR B2

Definitions

The distance from an observer in a universe beyond which it is impossible for the observer to see, as the light (or other luminal particles) cannot have travelled that distance over the current age of that universe.

CEFR level

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

cosmological natural selection cosmological perturbation theory cosmological principle cosmological redshift cosmological scale cosmological term

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