But all bubbles are identifiable, and the process described in the paragraph above is not invisible to the naked eye.
不过，所有泡沫都是可以辨认的，即使仅凭肉眼也能观察到上文中所描述的过程。
If such a collision were real, "astronomers would have been tracking it for at least the past decade, and it would be visible by now to the naked eye, " it added.
如果真的存在这样的行星，天文学家至少十年前就应该开始跟踪观察了。还有如果真的存在，现在肉眼应该可以看见了。
Currently this star is too faint to be visible with the naked eye, but over the next few months it will start climbing in brightness until it becomes one of the brightest stars in this constellation.
通常这颗恒星亮度非常微弱，因而不能用肉眼直接观察到，但是在接下来的几个月中，它的亮度将不断攀升，直到成为鲸鱼座中最明亮的恒星之一。
Its lurch of 0.26 degrees is said to be visible to the naked eye –and if it goes uncorrected could cause the tower to crash.
钟楼的倾斜度已达0.26度，据说仅凭肉眼就能观察到。如果再不加以矫正的话就可能会有倒塌的危险。
The galaxy is visible to the naked eye on moonless nights as a smudge of light and is the most distant object visible without a telescope.
该星系在无月夜的夜晚可由肉眼观测到一个小光斑，它也是不借助望远镜能被肉眼观测的最远天体。
London-based science author Brandon Broll, who specialises in science and health writing, said: "The book will show readers the beauty of what is too small to see with the naked eye.
伦敦科学作家布兰登布罗尔专注于科学和健康写作，他说：“这本书会展示给读者肉眼无法看到的微观美景。”这是人舌头表面一个细菌的照片。
A great number of these collisions create the light that's visible to the naked eye.
数以万计的这种撞击就形成了我们肉眼所能够看到的这种光。
Look for a stone of VS2 or better, which means none of the inclusions are visible to the naked eye.
寻找VS2级或者更好的钻石，这样的钻石无法用肉眼看到里面的夹杂物。
Mercury is a liquid metal, and mercury, the planet, is the fastest moving naked eye heavenly body. Mars, iron, why is Mars red?
水银是液态金属，水银，行星，是肉眼能看到的运动最快的天体,火星，铁，为什么火星是红色的？
On a clear, dark night, the galaxy is faintly visible as a misty patch to the naked eye.
在无云的黑夜中，我们可以用肉眼勉强观察到它，它在夜空中有如一小片薄雾。
The letters are invisible to the naked eye, and can only be read with a medical microscope at 400 times magnification.
这些字母小到用肉眼无法识别，只能用放大400倍的医学显微镜才能看清。
The worst turbulence is associated with thunderstorms and they are visible to the naked eye or with weather radar which picks up the size of water droplets.
最恶劣的乱流还伴有雷暴雨，肉眼或天气雷达可以发现。天气雷达可以估测出雨滴的大小。
Although Neptune is not among the planets visible to the naked eye, early birds with telescopes in the United States can spot Neptune this month—if you know where to look.
虽然海王星不属于肉眼可见的行星，这个月在美国早起的人们便可以用望远镜看到海王星——如果你知道往哪里看的话。
For instance: maybe you can see it clearly from space with binoculars but not with the naked eye.
比如说：或许在太空中能用望远镜看到长城，但是单凭肉眼看不到。
Every morning in May the naked eye will be able to spot Mars, Jupiter, Venus and Mercury, and with a small telescope one can see Uranus and Neptune.
在五月期间，人们每天早晨都可以用肉眼看见火星、木星、金星和水星，用小型望远镜还可以看见天王星和海王星。
Some of the most spectacular night skies are visible to the naked eye – although sadly not from the UK.
一些最耀眼的夜空可以用肉眼看到——但很可惜不在英国。
Suffering from dyslexia and learning difficulties, he struggled at school, finding solace in creating art of such minute proportions that it virtually could not be seen with the naked eye.
因为阅读障碍和学习困难的缘故，在学校里他努力制作这种微小艺术品以寻求慰藉，这些艺术品小到几乎无法用肉眼看到。
Ancient man also noticed how the five planets visible to the naked eye twinkled in the night sky.
古代的人们看到肉眼可见的五大行星在夜幕中闪烁。
By linking the electrical currents of two superconductors large enough to be seen with the naked eye, researchers have extended the domain of observable quantum effects.
研究人员通过将两个大到肉眼能够观察的超导体的电流联系起来，拓展了可以观察到的量子效应的范围。
Instead, even objects big enough to be seen with the naked eye can take on slippery quantum properties.
甚至大到用肉眼也可看见的物体也有一些量子性质。
It should be noted that when we refer to “rapid” in relation to plants - it is not super fast - but it is definitely visible with the naked eye.
应当指出的是，我们提到的植物枝叶“快速”摇动—它的速度不是真的很快—只是我们能用肉眼看到而已。
But they glow red under ultraviolet light, and the dogs' nails and abdomens, which have thin skins, look red even to the naked eye.
但在紫外线的照射下，它们会发出红光，尤其是爪子和皮肤很薄的腹部，用肉眼都能看出发红。
To the naked eye, the symbols are hard to distinguish, but with a magnifying glass you can see the letters LV behind the right pupil (the left when watching the painting).
用肉眼看来，很难辨识这些符号，不过通过放大镜你可以看到在右边瞳孔（从画作上看是左边）后隐藏的字母LV。
Some star clusters can beseen with the naked eye, such as the famous Pleiades cluster in theconstellation Taurus.
我们可以用肉眼观察到一些星团，例如位于金牛座内大名鼎鼎的昴星团。
But even then, to the naked eye Mars appeared as nothing more than an extremely bright yellowish-orange star, not at all like the full moon.
可即便如此，在肉眼下当夜的火星也不过就是茫茫苍穹之间一颗颇为明亮的橘红色小点，和满月丁点可比性没有啦。
The brain might look homogenous to the naked eye, but it's actually filled with an array of cell types, each of which expresses a distinct set of genes depending on its precise location.
以肉眼看起来，大脑里的肉挺均匀，但实际上它充满各种各样的细胞类型，根据其所在的确切位置，每个类型由不同的基因组表达。
Its unusually large nucleus gave off a great deal of dust and gas — estimated at roughly 18 to 25 miles (30 to 40 kilometers) across — appeared bright to the naked eye.
它异常巨大的彗核释放出大量的尘埃和气体——其彗核直径估计有18到25英里（30到40公里）——使它能够被肉眼清晰地看见。
Its unusually large nucleus gave off a great deal of dust and gas — estimated at roughly 18 to 25 miles (30 to 40 kilometers) across — appeared bright to the naked eye.
它异常巨大的彗核释放出大量的尘埃和气体——其彗核直径估计有18到25英里（30到40公里）——使它能够被肉眼清晰地看见。
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