fast-moving star 中文意思是什麼
fast-moving star
解釋
快速星-
Therefore, a fast moving but far away star could have the same proper motion as a slow moving but nearby star
所以,一顆遙遠而移動速度高的恆星的自行,可能會和一顆近而移動得慢的恆星差不多。 -
By comparing the absorption lines from a star to those obtained in a laboratory, we can tell whether the star is moving away or towards us and how fast the star is moving
只要比對恆星光譜中吸收線的波長和實驗室中同一物質的吸收線波長,我們便可以計算出天體究竟以甚麼速度遠離或接近我們。 -
Observations from each telescope highlight distinct features of the supernova remnant, a fast - moving shell of iron - rich material from the exploded star, surrounded by an expanding shock wave that is sweeping up interstellar gas and dust
各望遠鏡的觀測突出的是超新星遺跡不同的部位,恆星爆發產生的高速富鐵殼層,周圍包裹著膨脹的激波,掃過星際氣體和塵埃。
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