galactic cloud

基本解釋

Beyond the galactic centre, the cloud is not entirely spherical.
銀河中心之外，反物質(zhì)云不是完整的球形。
www.astronomy.com.cn
Dr. Jo-Anne Brown , an Assistant Professor of Physics at the University of Calgary, explains what would happen if the galactic magnetic cloud were to collapse.
Jo-Anne Brown博士， Calgary大學(xué)物理學(xué)副教授，他的解釋是銀河系的磁場將毀滅地球。
Perhaps, some have suggested, a huge black hole simply collapses out of a pre-galactic cloud and serves as a ready-made engine to drive further galaxy development.
一些人已經(jīng)提出，也許一個巨大的黑洞只是一個前星系云崩塌的結(jié)果，它只是作為一個對于推動未來的星系發(fā)展的縣城的引擎存在。

Just as in a container, molecules in an inter-galactic gas cloud absorb certain wavelengths and leave a pattern of dark lines on a quasar's spectrum.
ECONOMIST: Fundamental physics