How does the Universe expand?Quantization of gravity suggests that a finite region of space has a finite number of degrees of freedom or 'bits'. What happens to these bits when spacetime expands, as in cosmological evolution? Using gravity/field theory duality we argue that bits 'fuse together...
seconds,we have hydrogen, the main ingredient to make stars. Wow, so how long was theuniverse this hot cosmic soup full of quarks and atoms and early elements ofabout 300000 years. A well, the creation of everything does take a while. Let'sjump ahead to when things get a little ...
Cities forests oceans people everything in the universe is made from matter created in the first seconds of the Big Bang every star, every planet, every atom, every blade of grass, every drop of water. => 城市森林中的海洋人类宇宙中的一切事物都是由宇宙大爆炸中的每一颗星星,每一颗行星,每...
The coins behave like galaxies: although they do not expand, the space between them does. Before the galaxies formed, matter that they contain was concentrated with infinite density at a single point from which it exploded in an event called the big bang. Even after it assembled into galaxies...
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 ...
What it does mean is that from any point in the universe that we can get to, the edge will always be about 46.5 billion light years away, in every direction. So you really are at the center of the universe or at least the observable part. ...
Theories of how the Universe Began Beginning With a Bang Big Bang Theory Scientists believe Universe started with a big explosion 15 billion years ago Matter, gravity, and electromagnetism were created by the blast Universe expanded Edwin Hubble First to discover Universe expanding Distant galaxies mov...
宇宙已经延续了一百三十八亿年 The universe has lasted for 13.8 billion years, 多亏两股对立的力量:引力和膨胀 thanks to the opposing forces of gravity and expansion. 但这一幕平衡好戏会持续多久呢? But just how stable is this balancing act? 我们的宇宙是否有足够数目的物质 Does our universe have ...
However, only after thirty years does the term “metaverse” begin to have more defined contours. In fact, in 2021 Mark Zuckerberg, with the transition from Facebook to Meta, brought the term and the concept of “metaverse” back to the center of public discussion [5]. From a ...
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