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哈勃望遠鏡在銀河系邊緣發現超大恆星群
Thursday, March 17, 2016 15:42
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哈勃望遠鏡在銀河系邊緣發現了一串超大恆星，距離地球17萬光年之遠。哈勃望遠鏡發現的這一連串超大恆星，數量超過20個，每個的密度都是太陽的100倍以上。其中4個此前就已經為人所知，包括最著名被列為R136a1的巨星…

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