第一宇宙速度 的英文怎麼說
中文拼音 [dìyīyǔzhòusùdù]
第一宇宙速度
英文
first cosmic velocity- 第 : Ⅰ助詞(用在整數的數詞前 表示次序) auxiliary word for ordinal numbers Ⅱ名詞1 [書面語] (科第) gr...
- 宇 : 名詞1. (房檐) eaves2. (房屋) house 3. (上下四方, 所有的空間; 世界) space; universe; world 4. (姓氏) a surname
- 宙 : 名詞(指古往今來的時間) time (conceived as past, present and future)
- 速 : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 第一 : first; primary; foremost; first and foremost
- 宇宙 : [天文學] universe; cosmos
- 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
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They fly at first cosmic velocity
他們以第一宇宙速度飛行。The initial evidence for acceleration came from the study of type ia supernova explosions, which in all cases reach a uniform or at least easily calibrated intrinsic luminosity
支持宇宙正在加速膨脹的第一個證據來自對ia型超新星的研究。這種超新星在爆發時,最終都會達致相同或至少容易校準的固有光度。There are two major errors. the first one is the error occurred in measuring v. although astronomers can locate v of individual galaxy accurately through the spectrum and the doppler s effect, owing to the gravitational pull exerted from neighbouring galaxies and clusters of galaxies, v is not wholly determined by the expansion of the universe
有兩個主要的誤差:第一個是測量退行速度的誤差,雖然天文學家利用光譜及多普勒效應,已經很準確地找到個別星系的退行速度,但由於與鄰近星系及星系團的引力作用,這個退行速度便不完全是因宇宙膨
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