galaxy rotation curve 中文意思是什麼
galaxy rotation curve
解釋
星系自曲-
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 ) 。 -
To make a rotation curve one calculates the rotational velocity of stars along the length of a galaxy by measuring their doppler shifts, and then plots this quantity versus their respective distance away from the galactic center
沿著銀河的長度通過測量它們的多普勒變換計算星系的旋轉速度的旋轉曲線,然後繪出它們分別遠離銀河中心的距離。
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