天气预报 > 其他 > 1光年等于多少米
1光年等于多少米
更新时间: 2020-11-08 00:00:00  

1、一光年等于9.46*10^15米

2、光年和公里都是距离得度量单位。

3、因为一光年表示真空状态1年所走过的距离,且光在真空中的速度为3*10^8m/s,

所以一光年=光速x时间

=3*10^8m/s*365*24*60*60s

=9.46*10^15米

即一光年距离等于9.46*10^15。

关键词: 光年 等于 多少

1光年等于多少米相关经验

天气预报

最新推荐

页面:/news/view-2681036/ | 耗时:0.7843 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=2681036 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2681036 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2681036 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1127445,2744830,1064861,2681036,1373225,3334120,2880580,3115267,2999016,2257347,3016612,1930183,1048002,2321466,1079027,2220824,2008003,1290592,3353776,2514677,1344565,2864675,1856134,350953,1667618,2773796,1094083,2580288,2748323,114031) ORDER BY field (ArticleID,1127445,2744830,1064861,2681036,1373225,3334120,2880580,3115267,2999016,2257347,3016612,1930183,1048002,2321466,1079027,2220824,2008003,1290592,3353776,2514677,1344565,2864675,1856134,350953,1667618,2773796,1094083,2580288,2748323,114031)