Neutral atoms, which are the only way to image the fringes of the solar system, are densely packed into a narrow ribbon rather than evenly distributed.
太阳系的边缘由中性原子组成，它们被紧紧地压缩在一条狭窄的带状区域中，而不是均匀分布。
2
The edge of the solar system is tied up with a ribbon, astronomers have discovered.
天文学家已经发现太阳系边缘围着一条窄带。
3
Software, hardware and the basic operation principle of CCD dynamic and non-contact on-line measuring-controlling system for ribbon width are discussed.