他们记录了行星形成前,太阳系的历史,并且是第一个围绕我们原太阳的固体凝结的气体星云。
'They recorded the history of the solar system before any of the planets formed, and were the first solids to condense out of the gaseous nebula surrounding our protosun.'
尽管46亿年前孕育出太阳的星云早已消散,但是大多数同样诞生于那一星云的恒星应该幸存了下来。
Although the nebula that spawned the sun 4.6 billion years ago is long gone, most of the thousand or so stars born in the same cluster should have survived.
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