white dwarf
n.
白矮星；
英英释义
white dwarf
n.a faint star of enormous density
同义词：white dwarf star
权威例句
Enigmas from the Sloan Digital Sky Survey DR7 White Dwarf CatalogAM Herculis: a highly magnetized accreting white dwarf
Photometric Calibration of Hydrogen- and Helium-Rich White-Dwarf Models
Accreting white dwarf models for type I supernovae. I - Presupernova evolution and triggering mechanisms
Accreting white dwarf models for type 1 supernovae. 1: Presupernova evolution and triggering mechanisms
Reaching the End of the White Dwarf Cooling Sequence in NGC 6791
The Potential of White Dwarf Cosmochronology
The type Ia supernova SNLS-03D3bb from a super-Chandrasekhar-mass white dwarf star
A Tidally Disrupted Asteroid around the White Dwarf G29-38
Accreting white dwarf models for CAL 83, CAL 87 and other ultrasoft X-ray sources in the LMC
1. When a White Dwarf takes on enough mass in this manner, it reaches a level called the chandrasekhar limit.
当一颗白矮星以这种方式增长到足够的质量时，它将达到钱德拉·塞卡极限。
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2. Meanwhile, the sunlike star aged in the normal way, eventually swelling, blowing off its outer layers and collapsing to the white hot ember known as a White Dwarf star.
同时，与太阳差不多的恒星以正常的方式衰老，最终膨胀、脱去外层并坍缩成白色热烬，也就是白矮星。
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3. Eventually—over tens or even hundreds of billions of years—a white dwarf cools until it becomes a black dwarf, which emits no energy.
在几百亿年甚至几千亿年之后，白矮星最终冷却形成黑矮星，后者不再散发任何能量。
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4. The presence of this familiar material, scientists say, implies that an Earth-like planet may have orbited the star millions of years ago, before it became a white dwarf.
科学家说，这样接近的物质组成说明GD 362在还未变成白矮星的几百万年前，曾有类似地球的卫星绕转。
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5. The observations also show for the first time that a white dwarf can create a cavity around it before blowing up in a Type Ia event.
观测结果还首次显示，白矮星在爆炸成为Ia型超新星之前，会在其周围创造一个空洞。
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6. So Farihi thinks that the trace elements must have come from another source: remnants of rocky planets, forming a ring of debris that slowly rains down on the white dwarf.
因此Farihi认为痕量元素肯定来自另一来源：岩石行星的残骸形成的碎屑环，慢慢地向白矮星掉落。
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7. "The sun will one day become a White Dwarf star, which is why we're interested in knowing more about them and what happens to any planets the original star might have had," Provencal notes.
“太阳总有一天会变成白矮星，这也是为什么我们有兴趣去了解更多以及如同原恒星那样在所有行星身上发生的一切。”在他笔记中这样写到。
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8. Within this nebula, the hot core of the star remains-crushed to high density by gravity-as a White Dwarf with temperatures over 180,000 degrees Fahrenheit (100,000 degrees Celsius).
在星云内部，恒星的热核仍然存留着——其由重力挤压成了高密度物体——即温度超过180,000华氏度(100,000摄氏度)的白矮星。
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9. This novel is like a White Dwarf, all mass and density.
这部小说像一个白矮星，通篇篇幅大却又缜密。
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10. The star, which was similar to our sun, had died peacefully and turned into a dense White Dwarf.
这颗和我们太阳类似的恒星，已经安然逝去并演变成了一颗密实的白矮星。
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11. This leads the researchers to suspect that a white dwarf star strayed too close to the intermediate-mass black hole and was ripped apart by tidal forces.
这导致研究人员怀疑一个迷途的白矮星离某个中等质量黑洞太接近了，并受其潮汐引力的撕扯。
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12. If a binary includes a White Dwarf, gas pulled from a companion onto the White Dwarf's surface can fuse violently in a flash called a nova.
如果一个双星系统包含一个白矮星，从伴星上抽离的气体会落在白矮星的表面，在一瞬间引发猛烈的聚变反应，即新星。
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13. So the ultimate fate of our own watery planet may be to briefly stain the atmosphere of the white-dwarf sun.
因此我们自己这颗含水行星的最终命运可能便是短暂地污染已经变成白矮星的太阳的大气层。
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14. And that pressure, acting on the carbon-rich makeup of the White Dwarf, may have crystallized much of it to the particular form of carbon we call diamond.
这种压力不断作用于富含碳元素的白矮星成分，使其自身结晶成碳的同素异形体，也就是我们所说的钻石。
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15. Meanwhile, Agol believes that Earth-sized planets might end up close to a White Dwarf, where they could have habitable temperatures for billions of years.
同时，阿戈尔认为，大小相当于地球的行星最终可能距离白矮星较近，因此可能会在几十亿年里一直拥有适合居住的温度。
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16. An astronomer makes the case that the best place to search for habitable planets may be very close to White Dwarf stars.
一位天文学家提出了一种新想法，在靠近白矮星的地方找最寻适合生命居住的行星。
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17. With its nuclear fuel exhausted, this brief, spectacular, closing phase of a sun-like star's life occurs as its outer layers are ejected and its core becomes a cooling, fading White Dwarf.
随着其核燃料的用尽，这个短暂的、壮观的、像太阳一样恒星的临近结束阶段而发生变化，因为它的外层喷发，而内核变成一个逐渐冷却、逐渐褪色的白矮星过程。
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18. "To many astrophysicists, the merger scenario seemed to be less likely because too few double-white-dwarf systems appeared to exist," said Gilfanov.
吉尔法诺夫说：“对于许多天体物理学家来说，并合图景似乎不太可能发生，因为双白矮星系统看起来太少了。”
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19. When a White Dwarf takes on enough mass in this manner it reaches a level called the chandrasekhar limit.
当一颗白矮星以这种方式增长到足够的质量时，它将达到一个称为钱德拉·塞卡极限的质量标准。
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20. All that carbon and oxygen — byproducts of the helium fusion process — build up in its core. At that point the star will shed its outer layers and the core will form a White Dwarf.
所有氦聚变中的附产物碳和氧在它的核心逐渐积聚，这期间它将失掉较外层物质，核心最终枯萎成为白矮星。
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21. "The distance of this White Dwarf from the Sun is 63 light-years, which is very near our solar system compared with most stars in our galaxy", Luhman said.
“这颗白矮星距离太阳63光年，与银河系中大多数星球相比，它距离我们的太阳系非常近。”卢迈说。
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22. The primary target is a White Dwarf star known as GD358 in the constellation Hercules.
第一颗目标恒星是武仙星群中一颗称为GD358的白矮星。
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23. A White Dwarf retains about half of its mass but becomes incredibly dense because of its small size.
白矮星的质量只有以前的一半，体积很小，因此非常致密。
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24. Some day, millions of years from now, LS IV-14 116 will cool off to the point where it becomes a bona fide White Dwarf.
某天，几百万年后，LSIV - 14 116将会冷却形成真正的白矮星。
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25. The star was a White Dwarf called GD 362, and it's 150 light years from Earth, still within our galaxy.
GD 362是颗白矮星，距离地球150光年，也在银河系。
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26. At that speed, HM Cancri is the fastest binary star pair ever discovered, with each White Dwarf circling the other at a speed of 310 miles per second.
双星HMCancri是迄今为止所发现的运行最快的双星，它们是一对白矮星，其中一个围绕着另一个运转的速度是每秒310英里。
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27. The hot, remnant stellar core of NGC 2818 will eventually cool off for billions of years as a White Dwarf.
炽热的恒星内核会在几十亿年里逐渐冷却，内核在这段时间里叫做白矮星。
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28. The hot, remnant stellar core of NGC 2818 will eventually cool off for billions of years as a White Dwarf.
炽热的恒星内核会在几十亿年里逐渐冷却，内核在这段时间里叫做白矮星。
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white dwarf
