银河系[Galaxies] - 达人(其实～我是卧底，来自外星)

2005/03/19 | 银河系[Galaxies]
类别(¤〖天文〗) | 评论(0) | 阅读(25) | 发表于 20:09: The most distant galaxy identified has a relativistic redshift of 4.38 (corresponding to an age of 14 Gy). It is in the foreground of a quasar BR 1202-0725 in the constellation Virgo (Appenzeller 1996, Lu et al . 1996), and appears to be a spiral galaxy. The formation of a spiral galaxy by a universe only 10% of its current age is problematic for cosmologists, however. The number of galaxies visible from the ground is , while the Hubble Space Telescope can see; 0