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This is Scientific American’s 60-Second Science. I'm Steve Mirsky. Got a minute?
Astronomers1 have discovered a star that’s running away from home. The star is speeding away at a blistering2 2.6 million kilometers an hour, apparently3 after being cast out of a neighboring galaxy4 to us, the Large Magellanic Cloud, probably by a massive black hole. The speeding star is the first hint that there may indeed be a black hole in the LMC. The astronomers writing in an upcoming issue of Astrophysical Journal Letters reckoned that the flung fugitive5 was sent on its way must like a slingshot propels a stone. They think it was part of a two-star or binary6 system. Its companion got sucked into the black hole and this one known as HE 0437-5439 was tossed on its way. The astronomers say that the star cannot be one of our own Milky7 Way buddies8, because the elements composing it in different amounts from those in the Milky Way. HEO-437 is not the only star fling the Milky Way though, the researchers say there are 9 others beating away from our galaxy, but they say it’s clear that those are Milky Way natives.
Thanks for the minute for Scientific American’s 60-Second Science. I'm Steve Mirsky.
1 astronomers | |
n.天文学者,天文学家( astronomer的名词复数 ) | |
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2 blistering | |
adj.酷热的;猛烈的;使起疱的;可恶的v.起水疱;起气泡;使受暴晒n.[涂料] 起泡 | |
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3 apparently | |
adv.显然地;表面上,似乎 | |
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4 galaxy | |
n.星系;银河系;一群(杰出或著名的人物) | |
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5 fugitive | |
adj.逃亡的,易逝的;n.逃犯,逃亡者 | |
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6 binary | |
adj.二,双;二进制的;n.双(体);联星 | |
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7 milky | |
adj.牛奶的,多奶的;乳白色的 | |
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8 buddies | |
n.密友( buddy的名词复数 );同伴;弟兄;(用于称呼男子,常带怒气)家伙v.(如密友、战友、伙伴、弟兄般)交往( buddy的第三人称单数 );做朋友;亲近(…);伴护艾滋病人 | |
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