| 释义 |
secparenUK
secpar (ˈsɛkˌpɑː) n(in astronomy) a unit of distance equivalent to 3.262 light yearsThesaurus| Noun | 1. | secpar - a unit of astronomical length based on the distance from Earth at which stellar parallax is 1 second of arc; equivalent to 3.262 light yearsparsecastronomy unit - a linear unit used for astronomical distances |
secparenUK
Synonyms for secparnoun a unit of astronomical length based on the distance from Earth at which stellar parallax is 1 second of arcSynonymsRelated Words |