文章來源：http://iservice.libertytimes.com.tw/Service/english/english.php?engno=753175&day=2014-02-11
There have been more than one thousand planets confirmed outside our Solar System, but only a few are within star clusters.
在我們的太陽系之外確定有逾千顆行星，但很少位於星團。
Using the European Southern Observatory’s （ESO） HARPS instrument, researchers have found three new planets in the star cluster Messier 67.
利用歐洲南方天文台的哈伯望遠鏡，研究人員發現梅西爾67星團裡有3顆新行星。
Of these three newly discovered planets, two have been found orbiting stars similar to the sun.
3個新發現的行星中，2個被發現會繞著如同太陽一般的恆星運行。
There are two main types of star clusters：open clusters and globular clusters.
星團的主要形式有2種：開放星團與球狀星團。
The open cluster is a group of stars recently formed in a single cloud comprised of gas and dust.
開放星團是最近才在由瓦斯與微塵組成的單一星系中成形的恆星集團。
The globular clusters are larger and older with the stars orbiting around the center of the galaxy.
球狀星團是更大、更古老的恆星集團，在軌道上繞著星系核心運行。
Only six planets have been discovered in open clusters and none have been found in globular clusters.
歷來開放星團中僅發現6顆行星，球狀星團中則未曾發現。
Messier 67 is a star cluster located about 2,500 light-years from the constellation of Cancer. It contains around 500 stars.
梅西爾67是距離巨蟹星座約2500光年遠的星團。它包含約500顆恆星。
In the Messier 67 star cluster the stars are all about the same age and composition as the Sun.
梅西爾67星團中的恆星都跟太陽一樣老，也有類似的成分。
新聞辭典
globular：形容詞，球狀的、由小球體構成的。例句：A study of many globular clusters gives another important bit of information.（對許多球狀星團的研究帶來更多重要資訊。）
comprise：動詞，包含…、由…構成。例句：The United States comprises 50 states.（美國包含50個州。）
constellation：名詞，星座、閃亮如星的一群（人）。例句：Orion is an easily recognized constellation.（獵戶座是一個很容易識別的星座。）
文章來源：http://iservice.libertytimes.com.tw/Service/english/english.php?engno=753175&day=2014-02-11
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