1光年等于多少米?等于多少千米?

问题描述:

1光年等于多少米?等于多少千米?

光速c=299,792,458km/s。一光年等于94,605亿千米。

9.5×10⒖米

光速c=299,792,458km/s.一光年等于94,605亿千米
,等于9,460,500,000,000米.