This is when a supernoma—the last stage of an exploding star—ejects material during the explosion, which then falls back into the supernova, creating a black hole. This fallback formation is theoretically possible, but scientists have never been able to prove or observe it. If this is ...
【题文】 Scientists have discovered a “monster black hole” so massive that, in theory, it shouldn’t exist. It’s a stellar (恒星) black hole — the type that forms after stars die, collapse, and explode. Researchers had previously believed that the size limit was no more than 20 tim...
British scientists have recreated the conditions of a black hole using a giant bathtub and water dyeJasper PickeringReuters
根据第一段中的“Scientists have discovered a ‘monster black hole’ so massive that, in theory, it shouldn't exist.”可知,科学家们已经发现了一个“巨型黑洞”,其质量之大,在理论上是不应该存在;再根据第三段“This theory has now been toppled by LB-1, the newly discovered black hole. Located...
百度试题 结果1 题目It's t___that scientists have taken a photo of the Black Hole. 相关知识点: 试题来源: 解析 ue真的,形容词;根据首字母t,结合句意"科学家们已经拍了一张黑洞的照片是真的"可知,要用形容词作表语.故答案为true.反馈 收藏 ...
1.C 推理判断题 【关键句1 】Scientists have discovered a“monster black hole"so massive that, in theory, it shouldn't exist. 【释义】科学家们发现了一个“巨型黑洞” ,其质量之大, 在理论上是不应该存在的。 【关键句 2]This theory has now been toppled by LB-1, the newly discovered black...
1. Where is Sagittarius A? 2. Why can’t light get away from a black hole? 3. How long have the scientists who took the picture of the black hole worked on the project? 4. According to the passage, what do the scientists use to create a single image? 5. Does Sagittarius A remain...
一、阅读理解 A 【2023新乡二模】Scientists have long believed that there is a black hole in the center of our galaxy(星系). A black hole is a place where the pull of its gravity(引力) is very, very strong. The strong gravity makes it impossible for light to get away from it.On May...
black hole are part of a group called the Event Horizon Telescope project.About 300 scientists in 20 countries have been working on the project for over 12 years.The telescope (望远镜) the scientists use isn't really a telescope,but several large radio telescopes around the world.This allows ...
) ever of this black hole. The scientists hope the image will help them learn more about black holes and how they work. All the stars you see in the night sky are part of our galaxy. And in the center of our galaxy is a black hole. It’s called Sagittarius (人马座) A....