A star might not gobble a Jupiter whole when it moves close enough, but it could surely swallow a canapé like proto-Earth.
即便离得足够近,恒星也无法整口吞下木星大的行星,但它要吞下地球这么大的行星肯定是小菜一碟。
Current thinking is that some 4 billion years ago, a Mars-sized object smashed into the proto-Earth, knocking off a chunk of planet that eventually formed into the moon.
现有理论认为在大约40亿年前,一个火星大小的天体撞击了原始地球,星球被装出的部分最终形成了现在的月球。
Current thinking is that some 4 billion years ago, a Mars-sized object smashed into the proto-Earth, knocking off a chunk of planet that eventually formed into the moon.
现有理论认为在大约40亿年前,一个火星大小的天体撞击了原始地球,星球被装出的部分最终形成了现在的月球。
应用推荐