Astronomers had generally assumed it must be decelerating, because galaxies attract one another gravitationally and should retard their mutual separation.
英
美
释义
天文学家一向认为宇宙应是减速膨胀的,因为重力作用使星系相互吸引,应该会减缓它们彼此分离的速率。
把海词放在桌面上,查词最方便
触屏版
|
电脑版
©2003 - 2025 海词词典(Dict.cn)
立即下载