On their merry-go-round path, one undergoes a redshift as it moves away, and the other has a blue shift as it moves toward us.
在它们旋转的轨道上,一颗在远离地球时发生红移,另一颗在靠近地球时发生蓝移。
单词 | Blue Shift |
释义 |
Blue Shift
原声例句
Crash Course 天文篇 On their merry-go-round path, one undergoes a redshift as it moves away, and the other has a blue shift as it moves toward us. 在它们旋转的轨道上,一颗在远离地球时发生红移,另一颗在靠近地球时发生蓝移。
中文百科
蓝移 Blueshift(重定向自Blue Shift)
![]() ![]() ![]() ![]() 蓝移也称蓝位移,与红移相对。在光化学中,蓝移也非正式地指浅色效应。 蓝移是一个移动的发射源在向观测者接近时,所发射的电磁波(例如光波)频率会向电磁频谱的蓝色端移动(也就是波长缩短)的现象。 这种波长改变的现象在相互间有移动现象的参考座标系中就是一般所说的都卜勒位移或是都卜勒效应。 当一般将星光的红移被视为是宇宙膨胀的证据时,天文学中同样有很多蓝移现象,例如:
英语百科
Blueshift 蓝移(重定向自Blue Shift)
![]() ![]() ![]() ![]() A blueshift is any decrease in wavelength, with a corresponding increase in frequency, of an electromagnetic wave; the opposite effect is referred to as redshift. In visible light, this shifts the color from the red end of the spectrum to the blue end. |
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