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- The grayish structure surrounding the black hole, called a torus, is made up of gas and dust. 黑洞周围灰色的物质,被称作花环,是由气体和尘埃组成的。
- Cygnus X-1 is one of the most likely black hole candidates. 天鹅座X-1最有可能是一个黑洞候选体。
- "What is it like down there?" shouted Marvin from the upper cave. "Like the Black Hole of Calcutta, but a lot wetter, " came the reply. "下面怎么样?"马文在洞穴上方喊道。"像加尔各答城的小地牢,又闷又热,不过要潮湿得多。"下面回答道。
- A proper understanding of phenomena like black holes, quasars and extrasolar planets requires that we understand the physics that underlies all of astrophysics. 适当的理解象黑洞一样的现象,类星体和太阳系以外的行星要求我们理解为所有天体物理学的基础的物理学。
- There are no "real" pictures of a black hole. 其实并没有真正的黑洞照片。
- They are portions of a sphere, a torus or a cone. 他们是一球形、环形或锥形的一部分。
- Thus for a torus many new circumstances arise. 对于一个环管就有许多新的情形发生。
- The kids were shining a torch into the black hole. 孩子们拿着火把向黑洞里照去。
- Leaves on rails are a bit like black ice on roads. 铁路上的树叶有点像马路上的薄冰。
- It was like the black hole of Calcutta on wheels. 好似汽车轮子,又挤又热。
- In this example, the surface is not simply connected and any smoothed-out object looks like a torus with at least one hole. 在这个例子里,圈饼表面就是非单连通的,并且这类物体的简化就会像是至少有一个洞的曲面。
- Inside a black hole, space and time swap roles. 在黑洞内,空间和时间的角色互换。
- Topologically, then, a sphere and a torus are distinct entities. 所以就拓扑学而言,球和环面是不同的东西。
- Can you escape from a Black Hole? 你能从黑洞里逃走吗?
- Of, relating to, or shaped like a torus or part of a torus. 环形圆纹曲面环形圆纹曲面的或其某一部分的;形状象环形圆纹曲面的或其某一部分的;与之有关的
- There is no intrinsic mass limit on a black hole. 理论上,黑洞是没有质量的上下限。
- Its a black hole about the size of an electron. 是一个只有电子大小的黑洞。
- Of,relating to,or shaped like a torus or part of a torus. 环形圆纹曲面环形圆纹曲面的或其某一部分的;形状象环形圆纹曲面的或其某一部分的;与之有关的
- The brightest X-ray sources in the Chandra X-ray image of the Cartwheel Galaxy are likely black holes, and appear as the white dots that lie along the rim of the X-ray image. 在钱德拉拍摄的车轮星系X射线照片中,最明亮的X射线源可能是黑洞,它们是沿X射线图象边缘排布的白点。
- Dust disk around a black hole in galaxy NGC 4261. 银河系4261号星云中的围绕黑洞的一个碟状星尘。