恆星形成 的英文怎麼說

中文拼音 [héngxīngxíngchéng]
恆星形成 英文
star formation
  • 恆 : Ⅰ形容詞1 （永久; 持久） permanent; lasting 2 （平常; 經常） usual; common; constant Ⅱ名詞1 （恆心...
  • 星 : 名詞1 （夜晚天空中閃爍發光的天體） star 2 [天文學] （宇宙間能發射光或反射光的天體） heavenly body...
  • 成 : Ⅰ動詞1 （完成; 成功） accomplish; succeed 2 （成為; 變為） become; turn into 3 （成全） help comp...
  • 恆星 : [天文學] fixed star; star恆星大氣 stellar atmosphere; 恆星導航 star navigation; stellar guidance;...
  1. Caption : : astronomers were surprised to discover a 25 - million - year - old protoplanetary disk around a pair of red dwarf stars 350 light - years away

    天文學家一直認為恆星形成的同時一定會形成行星，但最近一項發現推翻了這定律。
  2. The trifid nebula itself represents the final phase of star formation.

    三葉星雲本身代表著恆星形成的最後階段。
  3. Topics include : planets, planet formation ; stars, the sun, " normal " stars, star formation ; stellar evolution, supernovae, compact objects ( white dwarfs, neutron stars, and black holes ), plusars, binary x - ray sources ; star clusters, globular and open clusters ; interstellar medium, gas, dust, magnetic fields, cosmic rays ; distance ladder ; galaxies, normal and active galaxies, jets ; gravitational lensing ; large scaling structure ; newtonian cosmology, dynamical expansion and thermal history of the universe ; cosmic microwave background radiation ; big - bang nucleosynthesis

    課程的主題包含了：行星、行星形成；恆星、太陽、正常的恆星、恆星形成；恆星演化、超新星、緻密天體（白矮星、中子星及黑洞） 、波霎、雙x -射線源；星團、球狀及疏散星團；星際介質、氣體、塵埃、磁場、宇宙射線；距離階梯；星系、正常及活躍星系、噴流；重力透鏡；大尺度結構；牛頓宇宙學、宇宙的動力膨脹及溫度發展歷史；宇宙背景微波輻射；大霹靂核合成。
  4. The deep observations have also traced the waxing and waning of star formation in the universe at large over cosmic time

    回溯宇宙年代的深度觀測，同時也追蹤了整個宇宙恆星形成率的變化。
  5. To search for high - velocity molecular emission toward massive star formation regions, and to study the connections between h2o masers, iras objects and outflow properties, we carried out a co observation for a h2o maser sample. we found that most of the objects have excess high velocity emission produced by outflows ; we find a significant correlation between co line full widths and iras luminosities. the widths are proportional to the iras luminosities

    通過在大質量恆星形成區搜尋高速分子輻射，並且研究它們與星際h _ 2o脈澤源和所聯系的紅外源之間的關系，我們發現絕大多數源都存在著氣體的高速運動並且它們是由分子外流產生的；我們同時發現在co分子的譜線全寬和所對應源的紅外光度之間存在很好的相關性，線寬隨紅外光度增加而變大。
  6. Besides acting as powerful signposts of active star formation, the intense maser emission provides a unique tool to probe the physical conditions and kinematics of these regions on scales of 10 - 103 au

    星際脈澤不僅是恆星形成的一個及其重要的標志，而且也提供圍繞大質量恆星尺度10 - 10 ~ 3au分子氣體的物理條件和動力學結構的信息。
  7. To understand the connections between methanol masers and other phenomena typical of star formation region, such as the associated far - infrared sources, we have investigated statistical properties of all known 6, 7 ghz methanol maser sources. the result suggests that 6, 7 ghz methanol maser emission may appear only during a limited period of massive star formation

    6 . 7ghz甲醇脈澤源的統計結果暗示著它們可能僅僅發生在大質量恆星形成的一個很短的時段內，可能起源於拱核盤中或外流中，遠紅外輻射則是一種可能的抽運機制。
  8. In order to better understand the excited mechanism of masers, we have studied the time variability of 22 ghz h2o masers in ggd25, an outburst with the time scales of 4 day was detected. the time variation was probably caused by a collsion pump which led to changes in the pump input

    為了更好地理解脈澤的產生機制以及脈澤和恆星形成區的一些典型現象，如它們所聯系的遠紅外源之間的關系，我們研究了22ghzh _ 2o脈澤源的時變以及所有已知的6 . 7ghz甲醇脈澤源的統計性質。
  9. Interstellar dynamics ; molecular outflows ; jet ; star formation

    星際介質動力學分子外向流噴流恆星形成
  10. 1 the earth consists of matter that is left over from the formation of a star

    地球是由恆星形成時剩餘的物質形成的。
  11. This breath - taking view spans about 13 degrees across the center of the well - known constellation with the great orion nebula, the closest large star forming region, just right of center

    這幅動人心弦的影像涵蓋了著名的獵戶座中心大約13度的天區，獵戶座大星雲這個離最鄰近的大型恆星形成區，則在影像的中右方。
  12. In our own milky way, which is quite typical of nearby, massive spiral galaxies, the number of observed high - mass stars indicates that stars are forming at a rate of a few solar masses a year

    銀河系可說是我們周遭大質量螺旋星系的典型，根據觀測到的大質量恆星數目判斷，銀河系的恆星形成率為每年數個太陽質量。
  13. The emerging consensus is that the early universe was dominated by a small number of giant galaxies containing colossal black holes and prodigious bursts of star formation, whereas the present universe has a more dispersed nature ? the creation of stars and the accretion of material into black holes are now occurring in a large number of medium - size and small galaxies

    目前逐漸形成的共識是，早期宇宙是由數量稀少、但含有巨大黑洞，且恆星形成率超高的巨型星系所主宰，今日的宇宙則具有較零散的特性恆星的誕生與黑洞吸積物質的作用，發生在龐大數量的中、小型星系內。
  14. In high - redshift galaxies, however, the rate of star formation is 10 times as great

    但是，在高紅移的星系中，恆星形成率是這個數目的10倍之多。
  15. Various astronomers, including us, have now surveyed large numbers of fledgling brown dwarfs in nearby young star - forming regions and clusters ( where stars ' ages can be estimated from their color and brightness ), looking for this infrared excess

    現在，包括我們在內的許多天文學家，已經在鄰近的年輕恆星形成區域和星團（在那裡恆星的年齡可由顏色與亮度來估計）里，檢視了大量初生未久的棕矮星，尋找過量的紅外光。
  16. Our model introduces the general equations of chemical evolution used in galaxies to studies of gcs. in this model the important gas outflow caused by the supernova explosion and other processes during the formation of globular clusters is included. based on such a self - enrichment model, monte carlo method is used to simulate the formation and chemical evolution of globular cluster systems, from which a new explanation of the bimodal metallicity distribution can be given

    本文把星系演化中通用的化學演化方程引入到球狀星團這一系統中來，特別考慮到球狀星團中恆星形成過程中超新星爆發等因素引發的氣體外流，把這一重要的物理過程包含到化學演化方程中，並用蒙特卡羅方法來模擬球狀星團系統的自增豐演化。
  17. What are the grounds for believing that a relation exists between gas-dust complexes and the star formation process ?

    於是，我們要問，認為在氣塵復合體與恆星形成過程之間存在聯系所立足的基礎是什麼呢？
  18. Self - sustaining star formation

    自持續恆星形成
  19. Such a device would look back at the early universe to the time when large - scale structures such as galaxies and stars formed

    這樣的一個裝置將可以看到宇宙早期，那是大型結構例如星系和恆星形成的時候。
  20. At the beginning of the formation of a star, the gravitational attraction will pull the gas together

    在一顆恆星形成初期，引力是演化的主導力量，令恆星不斷收縮。
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