Einstein’s equations of general relativity describe space and time as a kind of inter-connected fabric for the universe. This means that what we know of as space and time exist only as part of the universe and not beyond it. Now, ...
Physicist: Probably nothing. We do know that the universe doesn’tneedanything to expand into, and we haven’t seen any evidence that there is anything outside of the universe. But there has still been some speculation. In the last hundred years physics has gotten pretty weird, and...
Edwin Hubble, the astronomer made famous by being named after a space telescope, provided the definitive evidence that the Universe was expanding. Observing distant galaxies, he observed they were fleeing outwards, in fact he was able to come up with calculations to show just how fast they were...
universe, outer space[Show Details] 持續 持续chí xùto continue, to last, to persist[Show Details] 擴張 扩张kuò zhāngto expand, expansion[Show Details] 它 它tāit[Show Details] 將會 将会jiāng huìwill, going to[Show Details] 變成 变成biàn chéngto change into, to turn into, to ...
8.Whichofthefollowingbestexplains“takethe plunge”underlinedinParagraph2? A.Trychallengingthings. B.Takeadegree. C.Bringbacklostmemories. D.Sticktoapromise. 9.WhatmadeGinnidecideonthetriptoAntarctica? A.Lovelypenguins. B.Beautifulscenery. C.Adiscountfare. D.Afriend?sinvitation. 10.WhatdoesGinnithin...
But radiation -- things like light -- not only dilute like matter does,it gets redshifted, which means its energy density dropsfasterthan matter does. So when the Universe was very young and very hot and very dense, radiation wasmoreimportant than matter was!
Extended the subway line into the next town. Expand To increase the size, volume, quantity, or scope of; enlarge Expanded her store by adding a second room. Extend To enlarge the scope or effect of Research that extended our knowledge of the universe. Expand To express at length or in de...
求翻译:If the universe is expand all the time,what will it be like in the distant future.是什么意思?待解决 悬赏分:1 - 离问题结束还有 If the universe is expand all the time,what will it be like in the distant future.问题补充:匿名 2013-05-23 12:26:38 如果宇宙展开所有的时间,它...
Does God exist? Does the wind blow? 你看不见的东西如何证明其存在呢?那上帝存在吗?风真的在吹吗? - We know because the leaves move. 我们知道风存在是因为树叶在动 - Look for effects. 寻找它造成的影响 20. - Two days ago, you were holding his hand. What's changed? 两天前你还和他十指...
A.function B.development C.operation D.structure 10.What is the essential goal of exploring Mars? A.To build a common future for man. B.To prove our achievement in space research. C.To discover signs of life on this planet. D.To expand the understanding of the space. 11.What can we...