parsec
parsec漢語(yǔ)翻譯
parsec英語(yǔ)解釋
名詞 parsec:
- 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 years同義詞:secpar
parsec詳細(xì)解釋
par.sec
n.(名詞)A unit of astronomical length based on the distance from Earth at which stellar parallax is one second of arc and equal to 3.258 light-years, 3.08'×03 kilometers, or .98 × 0 3 miles. 秒差距:天文學(xué)自地球起的距離單位,星視差為角秒,等于3.258光年,3.08'×03公里,或.98×0 3英里
來(lái)源:par(allax) par(allax)sec(ond) sec(ond)
最新應(yīng)用
- 10柚子漫畫壁紙