In the universe, a large amount of dark matter, whose nature ___ still a mystery, affects the movement of galaxies. A. is B. are C. was D. were 相关知识点: 试题来源: 解析 A。解析:本题考查主谓一致和时态。whose引导的定语从句修饰的是dark matter,这是一个单数概念,虽然前面有a large...
stellar evolution in the entire cosmic time is consistent with the observed amount, if we add to the dust amount inferred for galactic discs the amount recently uncovered in galactic haloes and the surrounding of galaxies in reddening of the quasar light passing through the vicinity of galaxies. ...
To overcome this difficulty, the team was forced to use an indirect tracer of cluster mass. They relied upon the fact that more massive clusters contain more galaxies than less massive clusters (mass richness relation: MRR). Because galaxies consist of luminous stars, the numb...
aBut scientists have discovered many othergalaxies in the universe. They are a long way away and their light has travelled for many years to reach us. it ishard to understand how large the universe is. 但科学家在宇宙发现了许多othergalaxies。 他们是长的路,并且他们的光移动许多年到达我们。
aThis is not the case in America,of course,and the difference can be very striking. 这不是实际情形在美国,当然和区别可以是非常醒目的。 [translate] awho has looked afteryou all these years? 谁看了afteryou所有这些岁月? [translate] aThe universe, the galaxies and Mars 宇宙、星系和火星 [...
aBut scientists have discovered many other galaxies in the universe. They are a long way away and their light has travelled for many years to reach us. it is hard to understand how large the universe is. 但科学家在宇宙发现了许多其他星系。 他们是长的路,并且他们的光移动许多年到达我们。
The key ingredient of the t... DA Easson,I Sawicki,A Vikman - 《Journal of Cosmology & Astroparticle Physics》 被引量: 192发表: 2011年 Constraining ${\\Omega_{0}}$ from X-ray properties of Clusters of Galaxies at high redshift Properties of high redshift clusters are a fundamental ...
For a year and a half, Tod Kellen roamed the universe in the online computer game Star Wars Galaxies, living a fantasy life as a successful Jedi knight. Last week, Kellen decided the game was stealing too much time from his real life as ... M Musgrove,W Post,SW Saturday 被引量: 0...
aBut scientists have discovered many other galaxies in the universe. 正在翻译,请等待... [translate] a营养与疾病预防 Nutrition and prophylaxis [translate] aDear Fabienne 亲爱的Fabienne [translate] a珍惜上帝的恩赐 Treasures God's gracious gift [translate] aHeart in gone with the wind 心脏在去与...
aBut scientists have discovered many other galaxies in the universe. They are a long way away and their light has travelled for many years to reach us. it is hard to understand how large the universe is. 但科学家在宇宙发现了许多其他星系。 他们是长的路,并且他们的光移动许多年到达我们。 了...