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If the incoming projectile were a white dwarf—a superdense star that packs the mass of the sun into a body a hundredth the size—the residents of Earth would be treated to quite a fireworks show.

如果接近的天体是(whitedwarfstar,星,质量约等同于太阳,但其体积却不到太阳的百万分之),那麽地球上的居民将可以看到场壮丽的烟火秀。

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We also describe the basic principle of white dwarf cosmochronology and its application in defining the age of the Galactic disk, globular clusters, open clusters and Galactic halo.

介绍宇宙纪年学研究的基本原理及其在银盘、球状星团、疏散星团以及银晕年龄确定方面的应用现状。

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Kurzgesagt 科普动画(双语精选)

The universe becomes dimmer and dimmer, illuminated only by smaller red and white dwarfs.

宇宙会变得越来越暗淡,仅由较小红矮星和白矮星照亮(快烧尽太阳灰渣)。

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连线杂志

And in the center is a white dwarf.

中间是白矮星

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科学60秒 听力 2013年5月合集

Or, it seems, when you're cruising past a white dwarf star.

或者可以说在你缓慢白矮星时。

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科学60秒 听力 2014年8月合集

White dwarfs—the ultimate destiny of stars like the sun—maximize the pollution signal.

类似太阳样终极命运恒星白矮星使得污染信号最大化。

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VOA Special 2023年7月合集

Smaller stars like the sun leave behind what are called white dwarves.

像太阳这样较小恒星会留下白矮星

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科学新发现:宇宙之死

White Dwarf stars sometimes have other stars orbiting nearby.

白矮星近有时候有别恒星环绕。

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十万个为什么

Since white dwarfs are so tiny compared to your average star, they don't give off very much light, and continue to slowly get dimmer and colder over billions of years.

由于白矮星与普通恒星相比太小了,它们不会发出太多光,并且在数十亿年时间里继续慢慢变暗和变冷。

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Crash Course 天文篇

They'll have their moments though, because over trillions of years, binary white dwarf orbits will decay, and the stars will merge and explode as supernovae.

,它们也会有高光时刻,因为在数万亿年后,白矮星双星轨道会衰减,恒星会合并并爆炸,成为超新星。

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美国历史频道纪录片《宇宙》

And the Earth's hellish fate isn't over. As a red giant, the Sun will fluctuate in size before collapsing into a white dwarf.

地球地狱般命运还没有结束。作为个红巨星,太阳在崩塌成白矮星之前体积将会发生波动。

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科学大揭秘

These are hundreds of tons per cubic-inch dense as all the mass is packed in a sphere of just 1000 of miles in diameter.

白矮星密度高达每立方英寸数百吨,因为所有质量都聚集在个直径只有1000英里球体中。

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VOA慢速英语_科技

Astronomers say a red giant's release of hydrogen in a binary system causes a heavy buildup of pressure and heat on the white dwarf.

天文学家表示,在双星系统中,红巨星释放出氢会在白矮星上造成巨大压力和热量积累。

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传说之境

But after eight billion years the sun will have finally become a White Dwarf star equal to fifty-four percent of its current mass.

但 80 亿年后,太阳最终会变成白矮星,其质量相当于目前太阳质量 54%。

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宇宙奥秘

Except for a neutron stars and the white, brown, and black dwarves there are no more stars in the universe.

除了中子星和白矮星、褐矮星和黑矮星外,宇宙中再也没有恒星了。

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科学60秒 2018年8月合集

But if that planet circled a smaller star, like a white dwarf, it would block out enough light to be detectible.

但是如果这颗行星围绕白矮星这种较小恒星旋转,那行星挡住光线足以被探测到。

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科学60秒 听力 2014年5月合集

In other words, the white dwarf acts like a lens that makes the bigger star appear brighter during the eclipse.

换句话说,白矮星充当了透射镜片作用,使得在日月食现象时较大恒星候变得更加明亮。

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科学60秒 听力 2013年5月合集

Now researchers have identified rocky, asteroidlike material raining down on two white dwarfs.

如今,研究人员已经确定了如下雨般落在两颗白矮星多岩石、类似于小行星物质。

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经济学人-科技

A consequence of stuffing so much matter into so little space is that white dwarfs have powerful magnetic fields.

把如此之大东西压缩到了这么小空间结果是,白矮星拥有强大磁场。

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PBS趣味科普

That planet eating balloon deflates 9.5 billion years down the line, leaving a white dwarf in its place.

这个吃人气球将在95亿年后彻底收缩,留下白矮星

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科学60秒 2017年12月合集

One's a white dwarf-the corpse of something that used to be a star in the distant past.

颗是白矮星,即“远古时期某个恒星尸体。

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Veritasium真理元素

Now, it might be stable, orbiting in this way, for perhaps one or two hundred years.

这颗白矮星可能就这样稳定环绕了两百年。

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