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parallax second

Noun CEFR B2

Definitions

A unit of length, used in astronomy, defined as the distance from the Earth of an object that exhibits a parallax of 1 arcsecond. It is approximately equal to 3.08568025 × 10¹³ kilometers or 3.2616 light years.

Equivalents

2 more languages
Kurdîparsek
Polskiparsek

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See all B2 English words →

See also

Parallel parallel axis theorem parallel bars parallel circuit parallel citation parallel compression

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