It's a soaring success even though it's earthbound.
即使是在地球上,这也是一个巨大成功。
Once the asteroids are spotted and their orbits determined, an earthbound asteroid can be nudged slightly off course with a satellite deflector or a high velocity projectile, or blown up with nuclear weapons, causing it to miss its deadly rendezvous.
一旦小行星被观测到并且确定其轨道, 卫星偏转器或高速射弹, 或动用核武器可以使目标地球小行星稍微偏离原有路线, 让这次致命约会永远泡汤。