The moons of Mars, Phobos and Deimos, are so small that they play no stabilising role on the rotational axis.

火星、火卫一和火卫二的卫星都太小了，它们在转轴上起不到稳定作用。

In 50,000,000 years Phobos, a moon of Mars, will collide with the planet causing massive destruction there.

在五千万年后，火星的卫星，火卫一将与火星相撞，造成巨大的破坏。

Many astronomers believe that the moons of Mars, Phobos, and Deimos were captured by the red planet when they transgressed into its hill sphere from the nearby asteroid belt.

许多天文学家认为，火星、火卫一和火卫二的卫星是在这颗红色行星从附近的小行星带进入它的丘陵地带时被捕获的。

In his final days, as the twin moons of Mars shone down on him, Lysander penned his last poem, a love letter to a world he'd never see again and a testament to the undying nature of human culture.

在他最后的日子里，当火星的双卫星照耀着他时，莱桑德写下了他的最后一首诗，这是一封写给他再也见不到的世界的情书，也是人类文化不朽本质的证明。