人类对奥妙无穷的宇宙的认识进程,首先是从地球开始的,然后由地球伸展到太阳系,进而延伸到银河系,再扩展到河外星系和总星系,最后再回到地球上。正是这些内容构成了宇宙,丰富了宇宙的内涵。宇宙空间是浩瀚广阔的,人类研究宇宙和发现宇宙的历史相对来说还是很短暂的,相信随着科技的进步、知识的日臻积累,人类对宇宙还会有更多的发现。
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