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brown dwarf中文是什么意思

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用"brown dwarf"造句"brown dwarf"怎么读"brown dwarf" in a sentence

中文翻译手机手机版

  • 褐矮星
  • 棕矮星

例句与用法

  • Brown dwarfs can then form directly from ultralow - mass cores
    棕矮星因此能够在超轻云核里形成。
  • Proto - brown dwarf
    原褐矮星
  • For these reasons , astronomers favor a more starlike formation scenario for brown dwarfs
    因为这些理由,天文学家认为棕矮星的起源,较倾向恒星形成的方式。
  • If that happens before the embryo has had time to attain stellar mass , the result is a brown dwarf
    假如这发生在胚胎达到恒星质量之前,结果就是一颗棕矮星。
  • We find that disks are in fact ubiquitous around brown dwarfs that are a few million years old
    事实上,我们发现在年龄为数百万年的棕矮星旁,到处可见气盘的存在。
  • In short , brown dwarfs are girdled by disks just as often as stars are , and their disk lifetimes are similar
    总而言之,棕矮星被气盘环绕的情况与恒星一样常见,而且它们气盘的寿命都差不多。
  • In the turbulence scheme , such binary systems should be nearly as common among brown dwarfs as among stars
    在乱流说的架构下,这种双星系统发生在棕矮星上的机率,应与发生在一般恒星上相当。
  • What , then , accounts for brown dwarfs , which tip the scales at merely a few tens of jupiters ( a few hundredths of a solar mass )
    那麽,如何才能解释棕矮星仅有数十颗木星的质量(太阳质量的百分之几)呢?
  • The ejection scenario , on the other hand , attributes brown dwarfs to dynamical interactions that can toss an embryo out of the molecular cloud
    另一方面,排斥说将棕矮星归因于将胚胎扔出分子云的动态交互作用。
  • If the turbulence scenario is correct , young brown dwarfs , too , should have disks and maybe even planets [ see box on page 45 ]
    假如乱流说是正确的,年轻的棕矮星也应有气盘,甚至拥有行星(参见93页棕矮星也有行星吗?
  • 更多例句:  1  2
用"brown dwarf"造句  

百科解释

Brown dwarfs are substellar objects too low in mass to sustain hydrogen-1 fusion reactions in their cores, unlike main-sequence stars, which can. They occupy the mass range between the heaviest gas giants and the lightest stars, with an upper limit around 75 to 80 Jupiter masses (M_J).
详细百科解释
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