我们必须继续搜索天空，寻找近地小行星。

We must keep searching the sky for near-Earth asteroids.

包括谷神星在内的许多小行星都在火星和木星间绕着太阳转，近地小行星环绕太阳的轨道也离地球更近。

Many, including Ceres, orbit the Sun between Mars and Jupiter, while near-Earth asteroids orbit the Sun relatively close to Earth.

“近地小行星约会”外太空探测器在对厄罗斯小行星研究了一年后才进行着陆.

The NEAR - Shoemaker probe touched down after studying the asteroid Eros for the past year.