It was the first spacecraft shot directly out of orbit, escaping the pull of the Earth and Sun with a launch velocity of over 16 kilometers per second, the fastest spacecraft launch ever.

这是第一艘直接射出轨道的航天器，以超过每秒 16 公里的发射速度摆脱了地球和太阳的引力，是有史以来最快的航天器发射。