Meteors, asteroids, and comets struck my surface for a billion years.

从十亿年前开始，流星、小行星和彗星不断撞击我。

NASA's inside robotic lander has captured the vibrations and sounds of four meteorites striking the surface of the planet Mars.

美国宇航局的内部机器人着陆器捕捉到了四颗陨石撞击火星表面的振动和声音。

65 million years ago, an asteroid about 10 kilometers wide struck the surface of the Earth and killed off the dinosaurs.

6500万年前，一颗约10公里宽的小行星撞击地球表面，灭绝了恐龙。

Every hour of every day, enough of  the Sun's energy strikes the Earth's surface to power the entire world for a year.

每天每个小时，太阳的能量都足以为整个世界提供一年的能量。

A robotic lander belonging to the US space agency NASA has captured the vibrations and sounds of four meteoroids striking the surface of the planet Mars.

美国国家航空航天局的一个着陆器探测到了四个流星体撞击火星表面的振动和声音。

Space scientists have long identified these lava caves as a likely site for human habitation on the Moon, because the thick walls and ceiling offer protection from the harsh radiation striking the Moon's surface.

太空科学家长期以来一直将这些熔岩洞穴确定为人类在月球上居住的可能地点，因为厚厚的墙壁和天花板可以保护免受撞击月球表面的强烈辐射。