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Welcome to the Voice of America's News Words.
欢迎收看美国之音：新闻词汇。
Astronomers in Chile reported a major discovery by the country's powerful telescope called ALMA.
智利天文学家报告了该国功能强大的ALMA望远镜的一项重大发现。
Galaxy
星系，银河系
Artistic images based on ALMA's data show the birth of a newly discovered galaxy from about 10 billion years ago.
基于ALMA望远镜数据的富有艺术性的图像显示了一个新发现的星系在大约100亿年前诞生。
That is the time it took for its radiation to get within ALMA's reach.
这是它的辐射到达ALMA望远镜可观测范围所需的时间。
A galaxy is a huge collection of gases, dust, stars and star systems.
星系是气体、尘埃、恒星和恒星系统的巨大集合。
Groups of them are called clusters.
许多星系聚集在一起组成的团体被称为星团。
We all live in the galaxy known in English as the Milky Way.
我们都生活在这个在英语中被称为银河系的星系里。
