星系核球 的英文怎麼說
中文拼音 [xīngxìhéqiú]
星系核球
英文
galactic bulge-
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。Our results are much helpful for us to understand the building - up mechanism of the universal density profile, galaxy formation and high redshift tully - fisher relation
這些結果對我們解釋暗暈的普適密度輪廓，高紅移盤星系的瓜111卜f討ler關系和理解星系核球及盤的形成都有很大幫助The evolution time in our calculation is chosen to be 12 gyr, which is the mean value of globular cluster ages in the galaxy
恆星蒸發對小質量球狀星團的演化起著主導作用，大質量恆星的演化、銀河系核球和盤的沖擊加熱以及動力學磨擦則主要影響大質量球狀星團的演化。At least some elliptical galaxies, as well as the bulges and halos of spiral galaxies, may have arisen from such collisions
至少螺旋星系的核球與暈，以及某些橢圓星系，可能是由此種碰撞產生的。Supporters of the star wars defence system hope that this would not only protect a nation war from ever happening
支持建立星球大戰防禦系統的人希望這不僅能真正使一個國家免遭核攻擊，而且希望它足以成為防止核戰爭的一種威懾力量。Supporters of the star wars defense system hope that this would not only protect a nation against an actual nuclear attack, but would be enough of a threat to keep a nuclear war from ever happening
譯文:星球大戰防禦系統的支持者們希望它不僅能保護一個遭受核攻擊的國家，也希望它能成為使核攻擊永不發生的足夠威脅。They are the stellar evaporation in the tidal field, the stellar evolution during the early evolutionary stage, the tidal shocks due to clusters passing through the bulge and disk, and the dynamical friction
本文考慮的動力學過程有四種，即：恆星蒸發、早期大質量恆星的演化、銀河系核球和盤的沖擊加熱以及動力學磨擦。The galaxy ' s central region is called the galactic bulge because the stars form a ball a few thousand light years in diameter that extends above and below the disk of the galaxy
星系的中心區域叫做核球，原因是恆星組成了直徑幾千光年的球體，膨脹到星系盤上下兩側。For the galaxy, a model contained three components ( bulge, disk and halo ) suggested by paczynski ( 1990 ) is adopted, which can reproduce most of the global observational properties of the milky way such as the rotation curve
動力學演化的時間取為銀河系球狀星團的平均年齡12gyr 。我們採用了三成分（核球、盤、暈）的銀河系模型（ p90 ） 。分享友人