宇宙是由空间、时间、物质和能量，所构成的统一体。是一切空间和时间的综合。浩瀚宇宙为天文学家的观测和研究提供了无限可能。谁能想象，璀璨星空正在不断远离我们，终有一天会在我们眼中消失？包括宇宙如何形成而产生了如今提供人类生存的环境也都是猜疑讨论许久的话题。宇宙有多大？宇宙中的其他星球是什么样子？有没有其他生物的存在？这些都等待着去探索去发现......
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