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·原恒星阶段
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(2004-11-04 21:51:17) |
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·探索恒星形成之谜
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(2004-10-31 22:08:03) |
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·恒星天文学
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(2004-10-31 22:07:24) |
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·恒星日和真太阳日
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(2004-10-31 22:06:41) |
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·星系知识
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(2004-10-31 22:03:13) |
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·恒星的大小
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(2004-10-31 21:58:38) |
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·恒星的光谱
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(2004-10-31 21:57:55) |
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·恒星的颜色
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(2004-10-31 21:55:46) |
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·恒星的运动
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(2004-10-31 21:55:11) |
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·恒星的距离
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(2004-10-31 21:54:32) |
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·恒星的亮度
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(2004-10-31 21:53:46) |
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·天火引燃生命之火
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(2004-10-31 21:51:49) |
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·恒星知识
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(2004-10-31 21:50:34) |
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·中子星
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(2004-10-31 21:36:27) |
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·白矮星
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|
(2004-10-31 21:35:52) |
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·红巨星
|
|
(2004-10-31 21:35:09) |
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·类星体
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(2004-10-31 17:01:58) |
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·飞出地球
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(2004-10-31 17:00:46) |
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·银河和银河系
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(2004-10-31 16:59:15) |
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·星际介质和星云
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(2004-10-31 16:58:55) |
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·疏散星团
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|
(2004-10-31 16:58:34) |
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·球状星团
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|
(2004-10-31 16:57:32) |
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·星团
|
|
(2004-10-31 16:57:08) |
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·新 星
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(2004-10-31 16:53:17) |
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·聚 星
|
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(2004-10-31 16:52:16) |
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·双 星
|
|
(2004-10-31 16:51:42) |
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·恒星
|
|
(2004-10-31 16:51:01) |
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·恒星的"生死循环"
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|
(2004-10-31 16:44:43) |
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·恒星走向死亡
|
|
(2004-10-31 16:44:09) |
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·恒星的壮年－从主序星到红巨星
|
|
(2004-10-31 16:43:03) |
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·恒星的诞生－星卵
|
|
(2004-10-31 16:42:37) |
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·恒星的诞生地
|
|
(2004-10-31 16:41:57) |
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·恒星的"生"与"死"
|
|
(2004-10-31 16:41:18) |
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·宇宙氦丰度
|
|
(2004-10-31 16:40:06) |
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·3K宇宙微波背景辐射
|
|
(2004-10-31 16:39:47) |
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·星系距离越远退行速度越大
|
|
(2004-10-31 16:39:25) |
|
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·大爆炸宇宙论
|
|
(2004-10-31 16:39:05) |
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·现代宇宙学的诞生
|
|
(2004-10-31 16:38:17) |
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·大尺度结构
|
|
(2004-10-31 16:37:37) |
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·星系团
|
|
(2004-10-31 16:36:56) |
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·银河系及河外星系
|
|
(2004-10-31 16:35:45) |
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·恒星和星云
|
|
(2004-10-31 16:34:31) |
|
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·宇宙及其组成和结构
|
|
(2004-10-31 16:33:36) |
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·恒星的诞生
|
|
(2004-10-31 16:31:10) |
|
·恒星的演化
|
|
(2004-10-31 16:30:44) |
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·巨大恒星在吞食自己的大行星
|
|
(2004-10-31 16:30:25) |
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