Studying Vesta may give clues to the formative years of our early Solar System, as the unusual world may be one of the largest remaining protoplanets.
研究灶神星或许有助于得到早期太阳系形成的线索，因为灶神星这个不同寻常的世界也许是残留的最大原行星之一。
When the disk begins to coalesce into protoplanets, the gravity of those protoplanets pulls clumps of gas around the disk with them as they orbit the star.
当这个盘状物开始合并成为一组原行星时，它们的引力拉动着盘状物周围气体所凝聚的硬块，一起环绕着恒星作轨道运行。
Both large asteroids, also known as' protoplanets, 'are believed to have formed at the same time and in similar environments as Mercury, Venus, Earth, and Mars.
这两颗较大的小行星也被称为“原行星”，通常认为这两颗小行星形成于同一时间，并且其形成环境与水星、金星、地球和火星相同。
Both large asteroids, also known as' protoplanets, 'are believed to have formed at the same time and in similar environments as Mercury, Venus, Earth, and Mars.
这两颗较大的小行星也被称为“原行星”，通常认为这两颗小行星形成于同一时间，并且其形成环境与水星、金星、地球和火星相同。
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