请更换浏览器再试试哦~ https://youtu.be/4rTv9wvvat8 粗翻无校,有错请指正,有能力可以去支持原作者 0:00 - Introduction 1:53 - Before the fall 5:17 - Falling through the disc 8:26 - Crossing the horizon 12:42 - Conclusion 宇宙
The only true "image" of a black hole ever created came out in 2019, when astronomers used the Event Horizon telescope — a network of dishes spanning the entire Earth — to snap an image of this lit-up disk of material swirling around a black hole called M87*, Live Science reported at...
D. Sagittarius A is the only black hole in the universe.C C)4. What does the underlined word "mysterious" probably mean? A.熟悉的 B.危险的 C.神秘的 D.和谐的(A)5. Where can we read this passage? A. A science magazine. B. A storybook. C. A travel guidebook. D. A novel. ...
What is inside a black hole? - ScienceDirectBlack holeHawking radiationIn the conventional picture of a black hole we cannot see the states which account for its entropy, and Hawking radiation is unable to carry out the information of the state of the hole. We outline some computations in ...
What do we mean by the singularity of a black hole? The concept of the singularity of a black hole is an incredibly fascinating and...
Black holes are massive, mostly invisible and so powerful not even light can escape them. So what would happen if one entered our solar system? It depends on a lot of factors, including the size and distance of the black hole, experts told Live Science. But in many scenarios, not...
i reply. after co-host steve ward does some quick calculations, he confirms dan’s chances are survival are indeed zero percent. as stephen hawking describes in a brief history of time, this goes one terrifying step further: if a person were to enter a black hole’s event horizon — the...
How They Got the Black Hole Picture That Changed Science A picture that's worth a thousands "whoas." ByDavid GrossmanPublished: Apr 10, 2019 3:13 PM EDT
14.Whatdoestheunderlinedword“it”inthelast paragraphreferto? A.Sciencefiction. B.Virtualtechnology. C.Virtualtourism. D.Therealworld. 15.Whatisthepurposeofthepassage? A.TodescribetheadvantagesofVRtourism. B.Togivesuggestionsforreducingovertourism. C.ToencouragepeopletodevelopVRtechnology. D.Toarguethat...
3. What does the underlined word “distance” in Paragraph 2 mean in Chinese? A.差异B.距离C.特点D.形状 4. When did people take the first picture of the far side of the moon? A.In 1938.B.In 1959.C.In 1969.D.In 2000. 5. Which of the following is true?