The third space walk in as many days of the Hubble, this time Atlantis crew astronauts have been fixing an instrument which is called the Cosmic Origins Spectrograph, a device that will help detect faint light far away, possibly a tool to help to lea

发表于:2018-12-11 / 阅读(66) / 评论(0) 分类 万花筒2009年

Our galaxy is rushing toward the great galaxy Andromeda, they are rushing toward each other. And they are going to encounter each other in a couple billion years. Abraham and his colleagues decide to try to simulate this clash of the Titans. This was

发表于:2019-01-22 / 阅读(77) / 评论(0) 分类 自然百科2011年

The Lowest Note in the Universe 宇宙中的最低音 It's coming from a black hole in the Perseus Cluster, about two hundred fifty million light years away. A black hole?And outer space?That makes sound? Whats happening out there is that interga

发表于:2019-02-16 / 阅读(55) / 评论(0) 分类 英语听力文摘 English Digest