矮球星系 的英文怎麼說

中文拼音 [ǎiqiúxīng]
矮球星系 英文
dwarf spheroidal galaxy
  • : 形容詞1. (身材短) short 2. (高度低的) low 3. (級別、 地位低)low
  • : 名詞1 (以半圓的直徑為軸 使半圓旋轉一周而成的立體; 由中心到表面各點距離都相等的立體) sphere; glo...
  • : 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...
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • 星系 : [天文學] galaxy; galact-
  1. 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、行形成;恆、太陽、正常的恆、恆形成;恆演化、超新、緻密天體(白、中子及黑洞) 、波霎、雙x -射線源;團、狀及疏散團;際介質、氣體、塵埃、磁場、宇宙射線;距離階梯;、正常及活躍、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。
  2. Dwarf spheroidal galaxy

  3. They usually consist of old stars. some dwarf ellipticals have as few as 10 million stars, and make them not much different from a large globular cluster

    它們通常包含較年老的恆,有些橢圓只有約一千萬顆,和大團相差不遠。
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