galactic rotation 中文意思是什麼
galactic rotation
解釋
銀河系自轉-
Evidence of dark matter has been confirmed through the study of galactic rotation curves
通過銀河系自旋軌跡的研究已經證實暗物質存在的證據。 -
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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