A perfect launch for NASA has an unmanned spacecraft goes to Mars.

美国航空航天局（NASA）成功发射火星无人探测器。

Two unmanned spacecrafts were launched as part of the Voyager missions in 1977.

1977年，两个无人驾驶飞船作为“航行者”号任务的一部分发射。

Two unmanned spacecraft were launched as part of the Voyager missions in 1977.

1977年，两艘无人驾驶飞船作为“旅行者”号任务的一部分发射。

India deployed an unmanned spacecraft in an orbit around the moon in 2008.

印度于2008年在月球轨道上部署了无人航天器。

That's when the European Space Agency launched an unmanned spacecraft named Rosetta.

当时, 欧洲太空总署发射了名为罗塞塔的无人飞船。

The unmanned spacecraft aimed to be the first to land on the moon's south pole.

这艘无人飞船的目标是成为第一个登陆月球南极的航天器。

A NASA unmanned spacecraft is set to land on Mars on Monday after a 6-month voyage.

经过6个月的航行，美国国家航空航天局(NASA)的一艘无人驾驶宇宙飞船将于周一登陆火星。

The unmanned spacecraft that went there is called OSIRIS-REx which is for origin spectral interpretation resource identification security regolith explorer.

获取陨石样本的无人飞船被称为奥西里斯·雷克斯，用于探索原始光谱、识别资源及风化层。

This was the side no one on Earth had ever seen. The United States planned to explore the moon with its unmanned Ranger spacecraft.

地球上无人见过这一面。美国计划用无人驾驶的“漫游者”宇宙飞船探索月球。

The Mars launching comes five years after India sent an unmanned spacecraft to Earth’s moon.

火星发射是在印度向地球月球发射无人航天器五年后进行的。

India deployed an unmanned spacecraft in an orbit around the moon in 2008. That mission helped confirm the presence of water on the lunar surface.

印度于2008年在月球轨道上部署了无人航天器。这项任务帮助证实了月球表面存在水。

A mission called DART, the Double Asteroid Redirection Test, that will send an unmanned spacecraft into space and if successful, it won't be returning home.

有一项名为DART的任务，也就是双小行星重定向测试任务，将发射一艘无人驾驶飞船进入太空，如果顺利的话，它将有去无回。

That’ll change in 2026, when an unmanned spacecraft sent as part of NASA’s Discovery Program is scheduled to arrive.

这将在 2026 年发生变化，届时作为美国宇航局探索计划一部分的无人驾驶航天器计划抵达。

An unmanned spacecraft named Cassini is attempting to dive between those rings and the planet itself, beginning what NASA calls its grand finale.

一艘名为卡西尼号的无人航天器正试图在这些环和行星本身之间潜水，开始美国宇航局称之为大结局。

On Wednesday it will launch a mission called DART, the Double Asteroid Redirection Test, that will send an unmanned spacecraft into space and if successful it won't be returning home.

周三，美国宇航局将发射一项名为DART的任务，即双小行星重定向测试，该任务将一艘无人航天器送入太空，如果成功，它将不会返回地球。