km = 1.057E-13 ly Speed of light in km = 299 800 km per second. So 1 light second in kilometers = 299 800 km, it is aproximately equal to 300 000 km. 1 light minute in kilometers = 17 988 000 km, it is aproximately - 18 000 000 km. 1 light hour = 1 079 280 000 km...
light year 听听怎么读 英[lait jə:] 美[laɪt jɪr] 是什么意思 n. 光年; 变形 复数:light years 英英释义 light year n.the distance that light travels in a vacuum in 1 year; 5.88 trillion miles or 9.46 trillion kilometers 同义词:light-year...
A light-year or light year (symbol: ly) is a unit of measurement of length, specifically the distance that light travels in a vacuum in one year. While there is no authoritative decision on which year is used, the International Astronomical Union (IAU) recommends the Julian year. ...
9 RegisterLog in Sign up with one click: Facebook Twitter Google Share on Facebook lighthouse Thesaurus Medical Encyclopedia Wikipedia light·house (līt′hous′) n. A tall structure topped by a powerful light used as a beacon or signal to aid nautical navigation. ...
光年(light year)是天文学中使用的距离单位,是表示较大距离的一个单位,简记为ly或l.y.,主要用于度量太阳系外天体的距离1光年是指光在真空中经历一年所走的距离.真空中光速c=299792.458千米/秒,而1年≈60×60×24×365.25秒,故1光年≈299792.458×60×60×24×365.25千米,即约等于9.46万亿千米.离太阳最近的...
As defined by the International Astronomical Union (IAU), a lightyear is the distance that light travels in a vacuum in one Julian year (365.25 days). The lightyear is most often used when expressing distances to stars and other distances on a galactic scale, especially in non-specialist ...
1. The room is brilliantly lighted up and full of guests. 房间里灯火辉煌,宾客满堂。 名词 1. 1. The mystery has now come to light. 这个秘密现在已被揭开了。 2. light的翻译 2. A light of recognition came into his eyes. 他的眼神显示他已认出来了。
Kilo-light year 1,000 ly Light Minute 17,987,547 km Light Second 299,792 km Others can be invented for specific uses, like the 'nano-light year' (94,605 km) or the 'light millennium' (a picturesque term for 1,000 light years), but these are almost never encountered in practice. ...
light year光年 介词+～ at a light在交通灯处 between the lights在黄昏,在傍晚 by the light of借助,根据 in light被光线照着,在阳光〔灯光〕下 in a bad light在光线差的地方 in a good light在亮处,在有利的地位 in a new light用新的眼光 ...
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