As technical developments and knowledge improvements, radio astronomy, infrared astronomy, ultraviolet astronomy, X-ray astronomy and γ-ray astronomy were developed one by one during some decades from 1940s, and.
随着技术进步和认识上的提高,从1940年代起的几十年中,相继诞生并发展了射电天文学、红外天文学、紫外天文学、X射线天文学和γ射线天文学,从而实现了对天体辐射观测的全波段覆盖,诞生了多波段天文学,人类对宇宙和宇宙中各类天体、天象的物理本质的认知迈入了全新的阶段。
We shall hardly even touch the captivating problems of modern extragalactic astronomy.
甚至几乎不涉及现代河外天文学中吸引人的课题。
The Culture Expression of Tianjin Haihe River Bund Park Lighting Design
天津市海河外滩公园照明设计的文化表意(英文)
Poetic Sentences in My Heart Shining Like Milk Way in Heaven--SHI Tian-he’s Sixty-Year Devotion to Literature Creation
我心有长句 耿耿似天河——石天河六十年文学创作论
Perception of Accidental Injuries among Primary and Secondary School Students and Their Parents;
广州市天河区中小学生意外伤害认知情况调查
The scientific study of matter in outer space, especially the positions, dimensions, distribution, motion, composition, energy, and evolution of celestial bodies and phenomena.
天文学外层空间事物的科学研究，尤指天体及天文现象的位置、大
Some astronomers thought nebulae were part of our Milky Way Galaxy.
有些天文学家认为，星云是我们银河系的一部分。
Mu Mutian’s Translations of Foreign Literature and the Chinese Modern Literature of Translation;
穆木天外国文学翻译与中国现代翻译文学
Thought to Outside Peer Review System of Master Degree Thesis of P.E. in Hebei;
对河北省体育硕士学位论文外审制度的思考
Student A: Wang Ping, yesterday you said you would introduce the "interesting tug of war competitions in China and abroad".
学生甲：王平，你昨天不是说要给我们介绍“有趣的中外拔河赛”吗？
100 years ago, the astronomer, Schiaparelli, thought it to be canals.
而大约在一百年前天文学家夏帕雷里认为这是运河。
From the earth: Greetings
天文学方面最新发展使得我们能够在银河系和其他星系发现行星。
Nearly 100 years ago, the astronomer, Schiaparelli, thought the marking to be canals.
而大约在一百年前天文学家夏帕雷里认为,这些条痕是运河。
Astronomers usually assume that interstellar dust is closely confined to the galactic plane.
天文学家通常认为，恒星际星尘都是紧靠着银河平面的。
The cold grip of its repulsive gravity is strangling the formation of large cosmic structures.
现在，天文学家藉由观测发现，暗能量游走于银河系的周围。
For example, astronomers can search for disks by their infrared radiation.
例如，天文学家可利用红外辐射搜寻气盘。
The Exploration of College Mathematics Teaching Reform for Liberal Arts School--Taking Tianjing Foreign Language College as Example
文科类大学数学课程教学改革模式初探——以天津外国语学院为例
One other important branch of space astronomy consists of infrared and "submillimeter" surveys.
空间天文学的另一重要领域是红外和“亚毫米”巡天。
M100 is a member of the huge Virgo cluster of an estimated2,500 galaxies.
M100是室女座中2500个河外星系（估计）的一个，该星系天文业余爱好者可观测。