PASADENA, Calif. - Send a robot into space. Grab an asteroid. Bring it back to Earth orbit.

加州帕萨迪纳市——将机器人发射入太空，抓取一个小行星，然后把它拖回地球轨道。

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Hawking's argument was that perhaps mankind should stay quiet and refrain from trying to send signals into outer space.

霍金的说法是，人类大概应该保持沉默，避免往外太空发射信号。

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The array's 20-foot-wide telescopes, spread across several acres, don't send messages into space but scan the cosmos for signals of extraterrestrial origin.

这个20英尺射电望远镜阵列，分布在几英亩的区域上。 它们并不向太空发射信号，而是扫描宇宙搜寻地外的信号源。

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NASA's most important job was to send an American into space and return him safely to Earth.

VOA: special.2009.06.17

The group recommended that human life must not be risked simply to send equipment into space.

VOA: special.2009.12.30

But others note that Jupiter's powerful gravitational field can just as easily send an object into Earth's path as push it deeper into space.

VOA: special.2009.08.25

In the not too distant future, he thinks, so many people will have the power to send signals into space that it will not be possible to control intergalactic messaging.

ECONOMIST: An argument over whether to send messages to aliens

Where things have become difficult is over whether or not researchers should be allowed to send signals into space pre-emptively, in order to attract the attention of any alien listeners who might be out there.

ECONOMIST: An argument over whether to send messages to aliens

Monday's reported launch of the monkey -- who was kept in a "completely sealed" capsule that produces oxygen and absorbs carbon dioxide, with his vital signs recorded throughout the flight -- is part of a larger effort to someday send humans into space, said Iranian Space Agency Director Hamid Fazeli.

CNN: Reports: Monkey soars from Iran into space -- and back