Galakc

The universe
宇宙
The Milky Way galaxy is our cosmic home
銀河係是我們宇宙的家園
But it is far from being the only galaxy in the universe
但它遠不是宇宙中唯一的星系
To get a better understanding of the composition and evolution of our universe
為了更好地了解我們的宇宙的組成和進化
Astronomers try to answer a deceptively simple question
天文學家試圖回答一個看似簡單的問題
How many galaxies are there in the universe?
宇宙中到底有多少個星系？
For a long time it was thought
很長一段時間以來人們一直認為
That that the entire universe consisted of our galaxy alone
整個宇宙都是由我們的星系組成的
Beyond this limit
超過這個限度
Just how far it goes is yet an unanswered question
到底能探索多遠，這是一個尚未回答的問題
The universe continues
宇宙繼續
The universe
宇宙