每日热词-5.13 每日热词 black hole 黑洞.docx

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1、5.13每日热词 | black hole 黑洞热点新闻Chinese scientists have captured the worlds first image of Sagittarius A, the supermassive black hole at the center of the Milky Way galaxy. The results are published in a special issue of the Astrophysical Journal Letters.This is the second black hole seen by humans and

2、the first direct visual evidence of the existence of a supermassive black hole at the center of our galaxy.中国科学家捕获了世界上第一张人马座A的图像。它是位于银河系中心的超大质量黑洞。相关研究成果以特刊形式发表在天体物理学杂志通讯上。这是人类“看见”的第二个黑洞，也是银河系中心超大质量黑洞真实存在的首个直接视觉证据。词汇拓展black单词学习UK/US blkadj. 黑色的，黑的；黑暗的，漆黑的She was wearing a black coat with a white coll

3、ar.她穿着一件白领黑色上衣。He has thick black hair.他有着浓密漆黑的头发。Thesky is black.天空漆黑一片。词语搭配Black Friday黑色星期五black swan黑天鹅black tea食品红茶black widow黑寡妇men in black 黑衣人派生词中心词：black派生词：n.blackness黑色；阴险blackamoor黑人；皮肤黑的人blacking黑色涂料；黑色鞋油；炭粉v.blacken 天 变黑；使变黑black 使变黑；弄脏hole单词学习UK hl US holn. 洞，坑，孔；（小动物）洞穴Hepokedhisfing

4、erintothehole.他把手指戳进洞里。Aplughas beeninsertedin the hole.那个孔已经塞上了塞子。Theanimalrefused tobeenticedfrom itshole.那只动物怎么引诱也不肯出洞穴。词语搭配blind hole地质油气盲孔 ; 闭孔 ; 不贯穿孔coronal hole天冕洞 ; 日冕洞派生词中心词：hole派生词：adj.holey多洞的；有穴的背景拓展What is a black hole?什么是黑洞？A black hole typically forms when the nuclear fusion of a very

5、 massive star fizzles out and it collapses upon itself into a super dense celestial object.黑洞通常是在一个非常大质量的恒星的核聚变消失后形成的，它在自己身上坍缩成一个超级密集的天体。Sagittarius A is located about 27,000 light years away from our solar system. It has an estimated mass of more than 4 million times that of the sun. Its about 24 m

6、illion kilometers in diameter.人马座A位于离我们太阳系大约27000光年的地方。据估计，它的质量是太阳的400多万倍。它的直径约为2400万公里。However, the mechanism that forms supermassive black hole like Sagittarius A is unclear because no star is large enough to directly collapse into a black hole of this size, let alone much bigger black holelike th

7、e Messier 87, the subject of the first black hole image.然而，形成人马座A这样的超大质量黑洞的机制还不清楚，因为没有一颗恒星大到可以直接坍缩成这样大小的黑洞，更不用说像第一个黑洞图像的主体-梅西耶87那样大得多的黑洞。Shen Zhiqiang, director of the Shanghai observatory and the Event Horizon Telescopes coordinator in China, said scientists may eventually be able to produce a shor

8、t film of Sagittarius A as more highly sensitive telescopes join the global endeavor.上海天文台台长兼事件地平线望远镜负责人沈志强说，随着更多高灵敏度的望远镜加入全球努力，科学家最终可能会制作出人马座A的 短片。The significance of black holes黑洞的意义Experts believe the image of Sagittarius A will help people better understand the extreme celestial objects called b

9、lack hole and the evolution of our galaxy.专家认为，人马座A的图像将帮助人们更好地了解被称为黑洞的极端天体和我们银河系的演变。While it is impossible to see the black hole itself, because its enormous gravitational pull traps light, scientists did manage to capture the swirling mass of superheated interstellar material, the orange ring-shape

10、d silhouette surrounding it.虽然不可能看到黑洞本身，因为它巨大的引力会捕获光线，但科学家们还是设法捕捉到了超热星际物质的漩涡，即围绕它的橙色环形轮廓。The black hole is now mostly dormant and only occasionally absorbs nearby gas or dust, but it holds many mysteries that have puzzled scientists for decades, such as its birth and growth.这个黑洞现在大多处于休眠状态，只是偶尔会吸收附近的气体或尘埃，但它却有着许多让科学家们困惑了几十年的谜团，比如它的诞生和成长。