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Mars impact chance drops to 1 in 10,000, which may as well (2)
2008-01-11 yaohua2000|2008-01-11 cowboylee
特塔尔彗星消失十多年再度亮相肉眼可见(4)
2008-01-09 parabola|2008-01-10 llwwwww
Cong SmartCao & Chandra &(Yan Wu的ID是多少啊?) & Prof Lou.(3)
2008-01-08 DanielChai|2008-01-09 SharonWong
中华科学历方案（含节日安排建议）(35)
2008-01-07 yiyi|2008-01-08 ruster
流星引发的话题——音爆 (转载)(6)
2008-01-07 yaclear|2008-01-07 dreammh
星座传奇(1)
2008-01-07 yaclear|2008-01-07 DanielChai
地球诞生之谜 (转载)(0)
2008-01-07 yaclear|2008-01-07 yaclear
小行星明年撞火星　概率目前增加3倍 (转载)(11)
2008-01-01 smartdrv|2008-01-06 Krank
Nikon Action 10x50 Binocular能用来看星星吗？(2)
2008-01-04 GreatGatsby|2008-01-06 yanxiaoxing
世界陨星之最 (转载)(4)
2007-12-31 yaclear|2008-01-06 yanxiaoxing
请问哪里可以查到各种星系的一般大小和质量？(2)
2008-01-05 henryfiorina|2008-01-05 Hakkk
借人气有懂蒙文的吗？ (转载)(2)
2008-01-04 kickthc|2008-01-05 parabola
zz科学家首次发现千万年“婴儿行星”(4)
2008-01-04 youngdragon|2008-01-05 qgg
17P现在怎么样了?(1)
2008-01-05 Laundry|2008-01-05 celespace
求文献(1)
2008-01-04 dreammh|2008-01-05 toolbar
浅谈基督教与太阴历 (转载)(0)
2008-01-05 yaclear|2008-01-05 yaclear
关于哈勃定律的问题(22)
2008-01-01 l997|2008-01-04 Hakkk
再论郭守敬玲珑仪(0)
2008-01-04 yaclear|2008-01-04 yaclear
武王伐纣与上古天文学(0)
2008-01-04 yaclear|2008-01-04 yaclear
谁能介绍一下17P目前的各种理论或猜想？(0)
2008-01-04 kickthc|2008-01-04 kickthc
漏壶·竿影·玉仪·浑天 (转载)(1)
2008-01-04 yaclear|2008-01-04 Hakkk
咨询天文望远镜购买(1)
2008-01-02 zap1985|2008-01-03 celespace
Mars impact chances at 1 in 28(0)
2008-01-03 yaohua2000|2008-01-03 yaohua2000
《中国国家天文》这杂志门外汉能看不？(2)
2007-12-26 shui|2008-01-03 yxisswu
美天文学家称2007WD5小行星撞火星概率升为4%(0)
2007-12-31 parabola|2007-12-31 parabola
拜求这三颗星距离地球多少光年？？？？？(5)
2007-12-26 gongguer|2007-12-28 gongguer
西藏传统天文历算学研究的历史与现实 (转载)(7)
2007-12-26 yaclear|2007-12-27 xinghe
大家帮忙推荐个望远镜吧(0)
2007-12-26 poorren|2007-12-26 poorren
古观象台：历经沧桑终安然 (转载)(1)
2007-12-26 yaclear|2007-12-26 shui
霍尔姆斯彗星爆炸2月后成太阳系最大天体(14)
2007-12-23 parabola|2007-12-26 xinghe