英语翻译Black holes on a collision course Scientists say Chandra provides first evidence that two such mysteries can coexist in one galaxy.、 In a very bright galaxy 400 million light-years away,two black holes are drifting toward each other and

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英语翻译Black holes on a collision course Scientists say Chandra provides first evidence that two such mysteries can coexist in one galaxy.、 In a very bright galaxy 400 million light-years away,two black holes are drifting toward each other and

英语翻译Black holes on a collision course Scientists say Chandra provides first evidence that two such mysteries can coexist in one galaxy.、 In a very bright galaxy 400 million light-years away,two black holes are drifting toward each other and
英语翻译
Black holes on a collision course
Scientists say Chandra provides first evidence that two such mysteries can coexist in one galaxy.、
In a very bright galaxy 400 million light-years away,two black holes are drifting toward each other and in millions of years will merge with an eruption of energy and a burst of gravitational waves that could warp the very fabric of space,astronomers said Tuesday.
THE SCIENTISTS said the Chandra X-ray Observatory has found the first evidence that two immense black holes can coexist in the same galaxy and that they are moving toward each other for an eventual merger.
The double black holes were found in a bright,highly active galaxy known as NGC6240,about 400 million light-years from the Earth.
Astronomers studied NGC6240 because it produced unexplained bursts of X-rays that appeared to come from one of two nuclei at the galactic center.Images collected by radio,infrared and optical observations showed two bright spots,but did not pinpoint the origin of the X-rays.
When Chandra,with its sensitive X-ray detectors,focused on the nuclei,astronomers hoped it would tell them whether either of the two points of activity were black holes.

英语翻译Black holes on a collision course Scientists say Chandra provides first evidence that two such mysteries can coexist in one galaxy.、 In a very bright galaxy 400 million light-years away,two black holes are drifting toward each other and
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英语翻译Black holes on a collision course Scientists say Chandra provides first evidence that two such mysteries can coexist in one galaxy.、 In a very bright galaxy 400 million light-years away,two black holes are drifting toward each other and 英语翻译Black holes on a collision course Scientists say Chandra provides first evidence that two such mysteries can coexist in one galaxy.、 In a very bright galaxy 400 million light-years away,two black holes are drifting toward each other and 英语翻译Black Holes(黑洞) Black holes are some of the strangest things in space.A black hole sucks in anything that gets near it.Nothing can escape from a black hole—not even light.BLACK HOLES ARE STRONG Nothing escapes from a black hole beca who put forward a theory about black holes 谁提出了黑洞理论?原题是:Who put froward [提出] a theory about black holes? Indicate whether the following statements regarding black holes are true or false.1.Some black holes at the centers of galaxies have a mass that is a billion times that of our Sun.2.Most black holes are about the same radius as the Sun.3.If the Sun s There arr two big holes _____the wall.A.in B.on C.at we are now in a place called earth .there are many interesting things .the people here are d___from us .they are talker than us .they have hair on their h___-golden or black ,a big n___(with two holes downward ,isn t interesting ),a mouth (under the A big black bug bit a big black dog on his big black nose! a big black bug bit a big black dog on his big black nose 啥意思? 英语翻译Mr.Black has two cats.One is big and the other is small.He likes them verymuch.One day his good friend Mr.Green comes to see him.He is very surprised.He finds there are two holes in the door,a big hole and a small one.He says,“My dear f 英语翻译How do you weigh the biggest black holes in the universe?One answer now comes from a completely new and independent technique that astronomers have developed using data from NASA's Chandra X-ray Observatory.By measuring a peak in the temp 是a T-shirt on black还是a T-shirt for black?是on还是for? 英语翻译The apparition of these faces in the crowd; Petals on a wet,black bough.翻译成中文.- 两道英语题（有关情态动词的）Black holes _____ not be seen directly,so determining the number of t1）Black holes _____ not be seen directly,so determining the number of them is a tough task.A.canB.shouldC.must haveD.need2）How _____ yo 英语翻译A.black sheep 害群之马B.black smith 铁匠C.black day 阴天D.black tea 红茶 英语翻译Each roll on a core in a pe film on it and black and white sticker according to the buyers artwork; at least 4 designs per order 英语翻译shall be such that a sharply defind image of the penetrameter（透度仪） holes is attained