Before that period the city was a small highly compact cluster in which people moved about on foot and goods were conveyed by horse and cart.
在这之前，城市只是高度密集的小聚居群，在这里人们靠步行走动，商品靠马车运送。
The cluster is so massive and so compact that its gravity bends and focuses the light from galaxies that lie behind it.
星系团如此紧凑、质量如此巨大，以致其重力扭曲和聚焦了它后面星系发出的光。
Brighter stars peering through the auroral glow at the left form the recognizable northern asterism, the Big Dipper. A more compact Pleiades star cluster shines at the far right.
在左面穿透北极光依然闪亮的是著名的北方星座——北斗七星，在右面较远地方闪耀的是更紧凑的昴宿星团。
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