They found the star to be surrounded by a so-called circumstellardisk measuring some 130 astronomical units (12 billion miles) across.
他们发现围绕星体的碟状物质直径大约130天文单位(120亿英里)。
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They "clearly show that at least some massive stars grow by accreting material from a circumstellardisk of gas and dust, just like our sun did roughly 4.5 billion years ago."