They "clearly show that at least some massive stars grow by accreting material from a circumstellar disk of gas and dust, just like our sun did roughly 4.5 billion years ago."
它们‘清楚地显示了至少一些巨型恒星由环绕的碟状气体和尘埃凝聚而成，就如我们的太阳在45亿年前一样。’
They "clearly show that at least some massive stars grow by accreting material from a circumstellar disk of gas and dust, just like our sun did roughly 4.5 billion years ago."
它们‘清楚地显示了至少一些巨型恒星由环绕的碟状气体和尘埃凝聚而成，就如我们的太阳在45亿年前一样。’
应用推荐