百度试题 结果1 题目【题目】Why is the sky dark? A. It's cloudy. B. T here's a storm coming. C. T here's smoke in the sky. 相关知识点: 试题来源: 解析 【解析】C 反馈 收藏
the brightsky ; (Olbers') paradox in a static universe is that the thermodynamic time scale is ; much larger than the luminous lifetime of the stars, and in general this is also ; true of the static steady-state model, the expanding models, and possibly the ; expanding steadystate model...
Why is the sky dark at night? Earth's Rotation: Earth takes 24 hours to complete one full rotation around its axis. This time period is called a day. The amount of light and darkness any one place on Earth receives depends on its latitude. ...
以上来源于:《21世纪大英汉词典》shed英[ʃed]美[ʃɛd]vt.流出;摆脱;散发;倾吐vi.流出;脱落;散布n.小屋,棚;分水岭we are shed some light on why the night sky is dark我们阐明为什么夜晚的天空是黑暗的反馈 收藏
James L. Venable - Why is the Sky So Dark?专辑: Scary Movie 4 (Original Motion Picture Soundtrack) 歌手:James L. Venable纯音乐,请欣赏 James L. Venable - Why is the Sky So Dark? / 已添加到播放列表 1 播放队列/1 1 Why is the Sky So Dark? James L. Venable 01:43...
这一现象看似简单，却蕴含着深刻的物理原理。首先，当太阳落山，地球将我们面向太阳的一面转向太阳，导致我们无法直接看到太阳光。其次，地球大气层会散射太阳光，使得光线在大气中分布。然而，这种散射作用在白天更为显著，因为太阳光强，散射范围广，使得天空呈现出明亮的蓝色。夜晚则不然，太阳光无法直接...
联系原文:Have you ever complained why life is so tiring? 句意:你曾经抱怨过生活为什么这么累吗?中心句明确点题。故选D【小题2】细节理解题。问题:根据短文内容,在学校中,下列选项哪一个描述正确?联系原文:have you ever noticed the happy smile on your teacher's face when you did a good job?句意...
Therefore, the observable universe has so many stars that every line of sight beginning on Earth would inevitably intersect with one. The night sky should be glowing brightly. The successor to the Hubble Space Telescope, NASA’s James Webb Space Telescope is set to radically change our understa...
Called Olbers’ paradox, the seemingly simple mystery of the sky’s darkness is something that stumped astronomers for centuries
Does th e sky sometimes, seem dark to you? Hav e you ever complaine d why li f e is so t 1? Well,friends, cheer up an d smil e all th e time. I f you se e th e worl d with your w 2 heart, you will fin d that the whol e worl d smiles to you.On a sunny ...