If it's eight o'clock in Vancouver, nine in Calgary,and 11 P.M in Toronto, what time is it on the moon?
The moon sits above many time zones.But why does it matter? it's a distant unpopulated landscape after all.
But it won't always be.And liftoff of Artermis one.NASA has started up moon missions again.
And now countries around the world are sending spacecraft to the moon.Plus, private companies are seeing big business and tourism opportunities on the moon.
The Europe Space Agency says, it's time the world agreed on a standard of time for moon travel,to ensure global coordination.
The moon is about to become a very busy place over the next decade,and probably for the rest of its existence.
And you know, you need an efficient and safe system in place.It's like the growth of train travel in the 19th century countries needed timetable for trains crossing borders.
It's why they came up with 24 basic time zones around the world.
Vancouver 温哥华
Calgary 卡尔加里
Toronto 多伦多
time zone 时区
Why does it matter? 这有什么要紧的?
unpopulated 无人居住的
spacecraft 航天器
coordination 合作
efficient and safe system in place 高效安全的机制已就位
liftoff 发射