globular clusters 中文意思是什麼

globular clusters 解釋
球狀簇
  • globular : adj. 1. 球狀的，地球狀的。2. 世界范圍的。3. 由小球聚集成的；有小球的。4. 完整的。adv. -ly ,-ness n.
  1. There is no absolutely sharp cutoff distinguishing galaxies from globular clusters.

    在星系和球狀星團之間沒有任何不可逾越的鴻溝。
  2. Given the initial conditions including ( 1 ) number density distribution in space which has the similar form to the present day ones, ( 2 ) both the power law and gaussian mass functions for clusters, and ( 3 ) two different velocity distributions which one has a constant dispersion and the other is described by the eddington formula, the dynamical evolution of globular clusters in our milky way galaxy is investigated in detail by means of monte carlo simulations

    本文採用與觀測結果具有相同形式的球狀星團空間密度分佈函數，在給定兩種球狀星團系統的初始質量譜（冪律的和對數高斯的）和兩種球狀星團系統的初始速度分佈函數（愛丁頓速度分佈函數和常數的速度彌散度）條件下，我們採用montecarlo的方法對球狀星團系統的動力學演化進行討論。
  3. For this purpose the study of globular clusters is most instructive.

    在這個問題上球狀星團的研究最富有指導意義。
  4. A study of many globular clusters gives another important bit of information。

    對許多球狀星團進行研究之後，使我們得到一些重要信息。
  5. Orbital calculation of g spectral type globular clusters in the galaxy

    型球狀星團的軌道計算
  6. Smaller groups of stars called globular clusters often surround spiral galaxies

    稱作球狀星團的小型恆星團體經常環繞在旋渦星系周圍。
  7. 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。
  8. The 29 f globular clusters in the galaxy are selected as samples in my paper ( the space distribution and motional orbits of the samples have not been researched in detail before. ). according to the basic parameters : azimuth coordinates, distances from the sun, radial velocities and proper motions of sample clusters, the initial positions and velocities of the samples are reduced using the galactic coordinates, and their orbits are integrated by numerical method for three different galactic gravitational potential models

    本文選用銀河系中29個累積光譜型為f型的球狀星團作為樣本（這些樣本星團的空間分佈和運動特徵都沒有被詳細地討論過） ，根據它們的基本資料：方位坐標、日心距、視向速度，絕對自行等參數，歸算處理得出了各樣本星團的空間分佈和運動速度。
  9. Most of these systems show clear evidence for two distinct populations of globular clusters, one blue and one red

    這類橢圓星系大多清楚地顯現出一藍一紅、兩種截然不同的球狀星團族群。
  10. Other major galaxy types are globular clusters, elliptical galaxies, and barred spirals, which have bars of dust, gas, and stars running across the galaxy s center like the spokes of a wheel

    其它主要星系類型是球狀群省略星系，和被禁止的螺旋，有塵土氣體，和星酒吧運行橫跨星系的中心象輪子的輪幅。
  11. Which is spherical and even larger than the galactic disk. the halo consists of old stars, some in the globular clusters, and interstellar matter

    銀冕內主要為年老的星，它們有些在球狀星團內，有些則在星際物質中游蕩。
  12. Another intriguing feature of quasisoft x - ray sources is that they locate at different type of galaxies like spirals and ellipticals. quasisoft x - ray sources are also found in the halos of galaxies and even in globular clusters

    類軟天體另一有趣之處，是它們不單盤踞在旋渦或橢圓等不同類型星系內，在銀暈甚至球狀星團中竟亦見其蹤影。
  13. Most models that tried to explain the origins of globular clusters focused on conditions in the early universe and assumed that the process was a thing of the past

    大部份試圖要解釋球狀星團起源的模型，都把焦點放在早期宇宙的條件，並假設此創生過程已經成為過去了。
  14. 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。
  15. In this nasa hubble space telescope image, the jet contrasts with the bright glow from the combined light of billions of unseen stars and the point - like globular clusters that make up this galaxy

    在這張由哈勃望遠鏡所拍攝的照片中，我們清晰可見一串電子及一團光亮的星點組成了這個星系。
  16. Interestingly, there is no evidence for massive black holes in the center of globular clusters, suggesting that these are fundamentally different from galaxies

    有意思的是，球狀星系中心龐大質量黑洞沒有證據，暗示這些基本不同於銀河系。
  17. One way to demonstrate a link would be to identify two populations of globular clusters in old elliptical galaxies

    要證明兩者彼此相關，其中一個方式，就是在古老的橢圓星系中，同時辨識出這兩類球狀星團。
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