and lower when receding. Redshift, a lower light frequency, indicates when an object is receding from us; the larger the galaxy distance, the higher the recessional speed and redshift.
Astronomers have determined that our universe is 13.7 billion years old. How exactly did they come to this precise conclusion? "How Old Is the Universe?" tells the incredible story of how astronomers solved one of the most compelling mysteries in science and, along the way, introduces readers ...
No one knows exactly how large the(宇宙)is. 答案 【解析】【答案】universe【核心短语/词汇】know:知道。【翻译】没有人确切地知道宇宙有多大。【解析】universe:宇宙,世界,可数名词。根据后方的is可知此处用名词单数即可。答案填universe相关推荐 14. No one knows exactly how large the宇宙)is. 22. No ...
How old is the universe? How did it begin? Is it finite or infinite? Remarkably, these questions are starting to be answered. Thanks to preci... G Hinshaw - American Physical Society 被引量: 0发表: 2016年 The disruptor Until then, the questions that animated Davies' research and 19 ...
All objects in the universe are moving away from you, and the farther away the objects are, the faster they move away from you. The fact that your 2-D universe is expanding is obvi- ous to someone who lives in three dimensions, as we do. The balloon simply gets larger. It is ...
百度试题 结果1 题目2. No one knows exactly how large the universe (宙) is. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
The idea of having to sell their home and move into a retirement home was an extremely painful experience for them. Indeed, old age for them, and many old Americans can mean not only the possible failure of one's health, but the loss of identity and self-worth. W: Yes, it's true...
So every night, out in the middle of the desert, Afel now practises skiing down sand hills. He 29that the yellow sand and brown earth are as gold as the medal he will bring home with him, when he is the 30. 11.A.drawing B.playing ...
Difficult to understand exactly how the universe翻译结果2复制译文编辑译文朗读译文返回顶部 It is difficult to understand how big is the universe翻译结果3复制译文编辑译文朗读译文返回顶部 It is difficult to understand how big is the universe翻译结果4复制译文编辑译文朗读译文返回顶部 It is difficult to ...