【TED】科普动画集锦 667 What is the universe expanding into是【TED】TED-ED科普科教动画【601-700集】/ 高清英文字幕 / 看动画学英语 / 练听力学科学 / 最全TED科教动画集锦的第67集视频,该合集共计100集,视频收藏或关注UP主,及时了解更多相关视频内容。
The universe began its cosmic life in a big bang nearly fourteen billion years ago, and has been expanding ever since. But what is it expanding into? That’s a complicated question. Here’s why: Einstein’s equations of general relati...
Come on, admit it, you’ve had this question. “Since astronomers know that the Universe is expanding, what’s it expanding into? What’s outside of the Universe?” Ask any astronomer and you’ll get an unsatisfying answer. We give you the same unsatisfying answer, but really explain it...
Like what’s the Universe expanding into? Which we did in another video, which I’ll list at the end of this episode. You might also want to know why is the Universe expanding? What’s making this happen? Did it give up its gym membership? Did it sign up for the gallon of ice cr...
Point is: space isn’t stuff. And the universe doesn’tneedanything to expand into. When you picture the universe as a whole it’s almost impossible not to think of a fish bowl or a bubble. The Universe: Nothing like this. Implicit in that picture of the universe is an outs...
degrees -- is now down to 2.7 Kelvin, just barely above absolute zero. The Universe used to be denser than the center of the Sun. Now, on average, the density of the Universe is only about oneprotonper cubic meter, with mass clumped into stars and galaxies separated by trillions of ...
A. Everything in the universe is getting smaller. B. The distance between galaxies is increasing. C. Galaxies are merging together. D. The universe is getting colder. 相关知识点: 试题来源: 解析 B。本题考查宇宙膨胀的含义。宇宙膨胀意味着星系之间的距离在不断增大,A 选项不是变小,C 选项不是...
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Is the universe expanding into something? The universe is expanding, but not into something; rather, the space within the universe itself is expanding, causing galaxies to move away from each other. 9 Can we travel to other galaxies within space? With current technology, travel to other galaxie...
situation.Everyonehasshortcomings.However,thevastmajorityofpeoplehavegoodqualities thatoutweighbadones. 3 Communicatingmoreeffectively · 4 Somepeoplehaveissuesthatmayneedaddressing.However,feedbackisvery differentfromcriticism.Whenaddressinganissue,focusonsuggestionsyoucanmaketohelp anotherpersonimprove,whichismoreeffe...