外太空真的很大!人类甚至可能没有办法完全揭开宇宙的全貌。不过我们还是有机会能进一步了解宇宙的组成。当我们学会这些行星、恒星和星系的知识后,我们就能意识到自己有多么渺小。而在这里面还有一些相当神奇的知识!
例如,你知道宇宙中有非常恐怖的行星吗? TrEs-9B是一颗维持永夜的行星。想像一下,你一辈子都看不到太阳!另一颗恐怖的行星是HD 189733 b。它看起来很漂亮:地表上有着美丽的纹路。不过事情没那么简单:这里可是会降下玻璃雨呢!(亮生活 / Bright Side)
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