单词：Cygnus A
【天文学】天鹅座A
单词：Cygnus A 相关文章
美国私企飞船与空间站对接 WASHINGTON, Jan. 12 (Xinhua) -- A commercial spacecraft, operated by U.S. space company Orbital Sciences Corp., docked with the International Space Station (ISS) on Sunday morning on its first official cargo resup
发表于:2019-01-09 / 阅读(311) / 评论(0)
英语新闻
英语新闻
Here then is the strange paradox of black holes: the defeating black hole is anything but black. Just how greedy and bright a black hole can get is revealed by an aptly very ordinary looking galaxy called Cygnus A, some 650 million light years away.
发表于:2019-01-23 / 阅读(223) / 评论(0)
探索与发现2013年
探索与发现2013年