FlexiLingo
Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/DonateSPACE Uploaded 04-01-17 Find out how scientists are mapping the black holes throughout the Milky Way and beyond as well as the answer to the Escape the Kugelblitz Challenge Question. Were you able to save humanity? Get your own Space Time tshirt at http://bit.ly/1QlzoBi Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail [dot] com Comment on Reddit: http://www.reddit.com...
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B1 · 中级
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这一集适合你吗？
B1 · 中级
能听懂简单新闻就可以
- 90% 的单词在 B1 或更简单的水平。
- 每分钟 114 词：语速慢，清晰。
- 整集共有 78 个较难的单词（B2 及以上）。
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较难的单词（B2+）
We've been talking a bit about black holes lately, and we'll continue to do so. We tend to be pretty theoretical in how we think of them, partly because the theory predicts some fun stuff that no human will likely ever experience. In fact, the second part of this episode will be the answer to our Escape the Kugelblitz
challenge, which is highly theoretical and in fact a little implausible. So to ground us a little bit first, I want to talk about actual real black holes. In particular, how we see these things. There's been no reasonable doubt about the reality of black holes for some time.
Although they don't emit any light themselves, they can have a very visible effect on their surroundings. The most spectacular effect is when black holes feed. Matter falling into the extreme gravitational well of a black hole will reach incredible
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