Even though the sun rises due east and sets due west on the autumnal equinox, "you'll only see an east sun rising and west sun setting with an obstruction-free horizon," Young said.
尽管秋分时太阳从正东方升起到正西方落下，“你只能在毫无遮挡视野开阔的地平线上看到这种现象，”扬说道。
Either it was then hit by an asteroid which blasted much of its surface into space, or else the hot, young sun simply vaporised its outer layers.
当初它要么是被小行星撞击，其大部分表面爆裂进入太空，要么是因为热，年轻的太阳简单地汽化了其外层。
Either it was then hit by an asteroid which blasted much of its surface into space, or else the hot, young sun simply vaporised its outer layers.
当初它要么是被小行星撞击，其大部分表面爆裂进入太空，要么是因为热，年轻的太阳简单地汽化了其外层。
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