他们进到小行星群，但…我们不敢冒险前往…
我们猜测过小行星群将是此类借口之一，而这个是个变体。
We predicted that asteroid swarms would be one such excuse, and this is a variant.
我们的太阳系中：木星轨道前后就有这样的特洛伊小行星群。
There are examples of it from our own solar system: Jupiter has a group of asteroids that leads and trails the planet in just that way.
火星-太阳系八大行星的第四颗行星，介于地球与小行星群之间。
Mars - Fourth planet solar system eight planets, asteroids between the Earth and between groups.
银河系漩涡展开过程中某些区域的星群之气体尘埃在引力作用下，形成由岩石物质和气体包围的小行星。
A region of gas and dust from exploding stars in the Milky Way galaxy starts to collapse under its own gravity, forming a small star surrounded by a disk of rocky material and gas.
流星群，也称流星雨，通常是慧星慧尾的尘埃或者从小行星上脱落的小块物质引起的。
Meteors, also called shooting stars, normally begin as bits of dust from the tails of comets or even small pieces chipped off asteroids.
流星群，也称流星雨，通常是慧星慧尾的尘埃或者从小行星上脱落的小块物质引起的。
Meteors, also called shooting stars, normally begin as bits of dust from the tails of comets or even small pieces chipped off asteroids.
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