大家在查： which hard-line 钻探 marble mio probably mean sinensis murmuring JPA 不言而喻 visage

white dwarfs

美英

na.【天】白矮星
网络白矮体；白矮星区；和中子星

复数：white dwarfs

white dwarfs

英-汉英-英网络释义

white dwarfs

白矮星

通常称之为白矮星（white dwarfs）的这类高密度恒星，其密度数量级达每立方英■几吨。最特别的例子是几年前由 G．P．克 …

白矮体

所以非常热的恒星表面、超新星的残留物、 白矮体 (white dwarfs)、中子星 (neutron stars)、黑洞 (black holes) 周遭、星系核 …

白矮星区

...少落於图中巨星区(giants) ，由发亮的黄色到红色星球构成。另有少部分落於发亮的超巨星(supergiants) 与暗淡的白矮星区(wh…

和中子星

出版说明 - 免费文档下载 ... (semiconductors) 的传导性能 (white dwarfs) 和中子星 (Fermi level) 或在价带 ...

例句：

The team studied the spectra , or chemical signatures, of the light from 146 white dwarfs located within a few hundred light-years of Earth .

研究小组研究了光谱，即光线的化学特征。光线来自 146 颗白矮星，它们位于距地球几百光年的范围之内。

Our current theoretical models of white dwarfs don't predict this sort of behavior .

目前白矮星的理论模型不能模拟这种行为。

White dwarfs compact much of the mass of the stars into a volume the size of the earth .

白矮星将其大部分质量紧密地聚集在相当地球大小的范围内。

The gravitational pull of these white dwarfs can attract nearby asteroids that then get pulverized.

引力会推动白矮星靠近小行星然后通过碰撞变成宇宙尘埃。

Estimating how long white dwarfs have been cooling can help astronomers learn much about the age of the universe .

估算白矮星冷却的时间长度有助于天文学家深入研究宇宙的年龄。

Perhaps , then , white dwarfs are not such a gloomy sight after all.

如此一来，或许白矮星看起来就不会那麽阴郁而了无生趣了。

Carbon Earths might be especially prevalent in more bizarre settings , such as the environs of white dwarfs and neutron stars .

碳造地球在更异乎寻常的环境里，如中子星和白矮星周边可能会更常见。

The faint blue dots are white dwarfs --stars that have run out of helium and are now just burnt-out and have ever cooler cores .

微弱的蓝点是白矮星 -这已用完了氦，现在只是烧毁和过冷芯星。

The disks around white dwarfs are much smaller than the disks that give rise to planets around newborn sunlike stars .

与新生类太阳恒星的环绕盘相比，白矮星的环绕盘小很多。

Instead, they should eventually just cool to become white dwarfs and then black dwarves.

相对的，它们最终只是会变冷成为白矮星和黑矮星。

One class of white dwarfs has almost pure helium atmospheres .

有一类白矮星的大气层几乎完全由纯氦气构成。

But not all white dwarfs will spend many millennia cooling their heels .

不过并不是所有的白矮星都有耐性等上无数个千年。

But about 20 per cent of white dwarfs are tainted by traces of heavier elements .

但是大约 20%的白矮星都有着重元素污染的痕迹。

Teacher : Can you tell us some more about white dwarfs and supernovas ?

老师：你能跟我们说下白矮星和超新星吗？

white dwarfs

white dwarfs

白矮星

白矮体

白矮星区

和中子星

热词推荐

大家在看