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史蒂文森2-18:宇宙巨无霸,能容纳100亿个太阳的超级恒星
它就是目前已知宇宙中最大的恒星——史蒂文森2-18。 史蒂文森2-18的发现与基本特征 史蒂文森2-18,这颗位于盾牌座的红超巨星,是由美国天文学家查尔斯·布鲁斯·史蒂文森在1990年发现的。它的发现源于一次深红外探测任务中对北部银河系的观测。
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