They say the observations cannot be explained by theories of gravity that remove the need for dark matter 他们说，观测的结果不能重力理论解释，那是移动暗物质的需要。
Yet this dark matter has eluded every effort by astronomers and physicists to bring it out of the shadows 但不管天文学家与物理学家怎麽努力，这个暗物质至今仍然无影无踪。
The idea is that the matter we see does not have enough * gravitational of pull to keep * galaxies together 这种观点是我们所看到的暗物质没有足够的应力将银河系维持在一起。
1 the other was announcement earlier in the week that scientists found direct evidence for dark matter 本周另一个公告是在这公告前些时候，科学家找到直接的有关暗物质的证据。
Chen , who is based in new york , said he wanted dark matter to bring an operatic tragedy to a wide audience 陈立足于纽约，他表示希望《暗物质》能给带给更多的观众以歌剧悲剧的享受。
They say their the observations can not be explained by theories of gravity that remove the leave need for dark matter 科学家们说观察到的现象并不能被移取暗物质所需要的重力理论所解释。
In fact , galaxies consist mostly of dark matter , an as yet unidentified type of material that is inherently invisible 事实上，星系主要由暗物质构成，那是一种未经确认且不可见的物质型态。
But the team says the crush crash was varying violent * enough to break dark matter away “ normal ” matter 但是科学家小组也说到子弹束的碰撞足够猛烈以致将暗物质从“正常”物质里分离出去。
Astronomers assume that it interacts only by means of gravitation , the weakest of all the known forces of nature 天文学家假设，暗物质仅参与重力交互作用，重力是自然界中已知最弱的一种力。
The most plausible explanation is that the cluster contains a distinct ring of dark matter without any accompanying ordinary matter 最可信的解释是星团包含一圈无任何普通物质相伴的暗物质。
