夏说英语新闻晨读 第148期:另一个地球（在线收听）

 本期内容：

A multinational team of astronomers working at the European Southern Observatory in Chile discovered an Earth-sized planet in orbit around a star four light-years away. Proxima Centauri b is a bit bigger than Earth and orbits within its parent’s habitable zone. That will make it the focus of scientific efforts to search for life elsewhere.

词汇讲解：
Multinational: 多国的
Astronomer：天文学家
Observatory：天文台
Proxima Centauri：比邻星（半人马座）