SAN FRANCISCO - NASA plans to dispatch a hulking nuclear-powered spacecraft to determine whether three of Jupiter's icy, planet-sized moons have the potential to harbor life.
SAN FRANCISCO - NASA plans to dispatch a hulking nuclear-powered spacecraft to determine whether three of Jupiter's icy, planet-sized moons have the potential to harbor life.
旧金山---美国宇航局计划发送一艘巨大的核动力太空船，用以确定在木星的三颗行星大小、覆盖着冰层的卫星上是否有任何生命存在的可能。