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探秘:神秘宇宙“黑洞”全面解析 (组图)(4)
2007-01-22 10:20:58 中华网论坛 发表评论
  
13892795_2007012210224348433400.jpg

1798年,法国大科学家拉普拉斯(Pierre-Simon Laplace,1749-1827)就根据牛顿的力学理论推测:“一个像地球、直径为太阳250倍的发光恒星,在其引力的作用下,将不允许它的任何光线到达我们这里。”
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