【how to hack teen patti gold pc】我国科学家为大质量恒星起源提供新证据
中新社南京7月12日电(记者徐珊珊)据中国科学院紫金山天文台12日消息,国科科研人员利用高分辨毫米波等数据,学家新证为大质量恒星形成的质量how to hack teen patti gold pc爆发式吸积理论提供可靠的观测证据,进一步加深了人类对大质量恒星起源问题的恒星认识。
相关研究成果发表在国际学术期刊《天体物理学杂志快报》(The起源 Astrophysical Journal Letters)上。
“大质量恒星的提供起源一直以来都是天体物理学领域悬而未决的问题。这其中,国科通过爆发式吸积活动形成的学家新证大质量恒星是近年的一个热点话题。”紫金山天文台南极天文与射电天文研究部分子云与恒星形成研究团组硕士研究生周威表示,质量相关观测数据展示了一种可能性,恒星how to hack teen patti gold pc即小质量原恒星通过气体吸积盘增长成为大质量原恒星,起源进而形成大质量恒星。提供
目前表现出爆发式吸积活动的国科大质量原恒星样本很少,紫金山天文台科研人员独立发现的学家新证M17 MIR是首颗有重复爆发式吸积活动的大质量原恒星。
周威介绍,质量大质量恒星的爆发式吸积活动可以通过高速分子喷流结状结构来推测其活动的发生时间与间隔,从而研究数百年前乃至数千年前发生的爆发式吸积活动,追溯大质量恒星的长期吸积历史。
科研人员通过相关数据分析发现,过去400年发生过多次爆发式吸积活动,每次的持续时间大约为几十年,这与气体吸积盘的引力不稳定性以及碎裂模型相符合,对大质量恒星起源问题的理论研究具有重要的参考价值。
“M17 MIR作为宝贵的例证,为研究大质量恒星的动态形成过程提供了多方面的观测证据。未来,我们将进一步展开相关研究和探索,更深入地了解宇宙的奥秘。”周威说。(完)
(原题:中国科学家为大质量恒星起源提供新证据)
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