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The black hole in the center of the Milky1 Way galaxy2 is captured in an image
An image of what looks like a glowing orange donut is actually the first picture of the supermassive black hole at the center of the Milky Way, our home galaxy.
A MARTINEZ, HOST:
On social media lately, have you seen that picture, what looks like a fuzzy, orange doughnut? It's an image that astronomers4 are celebrating over. It's the massive supermassive black hole at the center of our galaxy. NPR's Nell Greenfieldboyce has more.
NELL GREENFIELDBOYCE, BYLINE5: Astronomers have long known that something weird6 lurks7 at the heart of the Milky Way. There, the stars whiz about, apparently8 influenced by the gravity of some giant, a mystery object 4 million times more massive than our sun. It seemed like a black hole. And scientists now have an image that proves it.
KATIE BOUMAN: I think it's just super exciting. I mean, what's more cool than seeing the black hole in the center of our own Milky Way?
GREENFIELDBOYCE: Katie Bouman of Caltech is part of the Event Horizon Telescope collaboration9, a team of hundreds of scientists around the world working with radio telescopes to peer at the center of our galaxy. What they got was a picture showing a blurry10, orange ring. There's hot gases swirling11 around a darkness that contains the unseeable black hole, which, of course, swallows everything around it, including light. But it looks like this black hole is a slow eater. Michael Johnson works at the Center for Astrophysics Harvard-Smithsonian. He says, if this black hole was a person...
MICHAEL JOHNSON: It would consume a single grain of rice every million years.
GREENFIELDBOYCE: One researcher who spent decades studying this black hole is Feryal Ozel of the University of Arizona. At a press conference, she said it had always felt sort of like having a remote virtual friend.
(SOUNDBITE OF ARCHIVED RECORDING)
FERYAL OZEL: I kind of had a idea in my head about what it looked like. We were online chatting. And then I was like - oh, you're real, huh? - meeting in person. So it's a very nice feeling.
GREENFIELDBOYCE: A few years ago, this team captured a similar image of a different black hole. That one was much more massive and in a distant galaxy. The researchers say they now want to switch from taking just still images to making movies of black holes in action.
Nell Greenfieldboyce, NPR News.
1 milky | |
adj.牛奶的,多奶的;乳白色的 | |
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2 galaxy | |
n.星系;银河系;一群(杰出或著名的人物) | |
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3 transcript | |
n.抄本,誊本,副本,肄业证书 | |
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4 astronomers | |
n.天文学者,天文学家( astronomer的名词复数 ) | |
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5 byline | |
n.署名;v.署名 | |
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6 weird | |
adj.古怪的,离奇的;怪诞的,神秘而可怕的 | |
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7 lurks | |
n.潜在,潜伏;(lurk的复数形式)vi.潜伏,埋伏(lurk的第三人称单数形式) | |
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8 apparently | |
adv.显然地;表面上,似乎 | |
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9 collaboration | |
n.合作,协作;勾结 | |
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10 blurry | |
adj.模糊的;污脏的,污斑的 | |
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11 swirling | |
v.旋转,打旋( swirl的现在分词 ) | |
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