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xinghua 发表于 2007, August 21, 9:44 AM
xinghua 发表于 2007, August 21, 9:37 AM
Scientists from the Ulysses mission have proven that sounds generated deep inside the Sun cause the Earth to shake and vibrate in sympathy. They have found that Earth’s magnetic field, atmosphere and terrestrial systems, all take part in this cosmic sing-along.
标签: 太阳
xinghua 发表于 2007, August 21, 9:36 AM
Confronted with the same kind of problem that doomed the space shuttle Columbia, NASA officials, chastened by years of criticism and upheaval in the agency, took a markedly different approach during the current mission of the Endeavour, calling on an array of new tools and procedures to analyze and respond to the problem.
While the Columbia faced much more serious damage — a 6- to 10-inch hole punched in a wing that let in hot gases during re-entry — outside officials said that with the Endeavour, NASA had taken steps far more elaborate and methodical in concluding that the craft was still safe.
标签: nasa
xinghua 发表于 2007, August 21, 9:31 AM

星簇碰撞后合并星簇Abell 520的多波段图像,红色为热气体
据国外媒体8月20日报道,对遥远星系簇碰撞的观察发现,星系簇碰撞形成了一团神奇的看不见的新物质,中心居然没有一个闪光的星系。天文学家发现,现有理论很难解释这一现象。
xinghua 发表于 2007, August 21, 9:09 AM

8 地球与月球
第一张在同一幅画面中展现地球和月球的照片,它是由一艘宇宙飞船在1977年9月18日拍摄的,美国宇航局的“旅行者1号”(Voyager 1)在距地球725万英里的太空拍下了这张照片。因为地球比月球大很多倍,所以用电脑技术人为加亮了月球部分,这样的话,两个天体都能在照片上看清楚。
标签: 太空
xinghua 发表于 2007, August 21, 9:08 AM
北京时间8月20日消息,美国宇航局太空网最近评出了从月球和更远的太空拍摄的十佳地球靓照,其中旅行者号探测器从40亿英里(约64亿公里)之外拍摄的地球照片位居首位。
以下就是美国宇航局太空网评出的太空看地球十佳照片。
标签: 太空