galactic rotation curve 中文意思是什麼
galactic rotation curve
解釋
銀河系自轉曲線-
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。
分享友人