Meaning of Niven ring | Babel Free
Definitions
A solid ring type Dyson ring around a star, capable of containing an interior surface that could be terraformed into a habitat with an inner ring of occultation panels to provide a day-night cycle.
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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