美国科学家发现宇宙空间中有一个非常巨大的空白区,儿乎完全真空的空间。科学家对这一发现感到惊奇,他们说这使人难于理解,但他们相信,这一发现将能提供关于宇宙方面的重要知识,例如: 亿万年来宇宙是怎样形成的呢? 又是怎样变化和发展过来的呢? American scientists have found that there is a very huge empty space in space, almost completely empty space. The scientists were surprised by the discovery, which they said was hard to understand but they believed that this discovery would provide important knowledge about the universe, such as how the universe was formed over millions of years and how it changed Developed it?