Once the Soyuz began to orbit the Earth, the failures began.

当联盟号开始环绕地球的时候，失败随之降临了。

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Pressel says that even 40 years after its original launch, Hexagon is still one of the most complicated vehicles ever to orbit the earth because it used film.

Pressel说甚至在它发射四十年后，Hexagon仍然是地球轨道上最复杂的卫星之一，因为它使用胶卷。

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Chosen for the US astronaut programme in 1958, Jerrie Cobb had twice as many flight hours to her name as John Glenn, who became the first American to orbit the earth.

Jerrie Cobb在1958年被选入美国航天员计划，她的飞行时间是美国第一个环绕地球的人John Glenn的两倍。

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Military officials immediately offered to use the Jupiter to put a scientific satellite into orbit around the Earth.

VOA: special.2009.06.10

And he says five of the planetary candidates are both close to the size of Earth and orbit in the habitable area of their parent stars.

VOA: special.2011.02.09

On the sixty-second orbit, the astronauts prepared to return to Earth.

VOA: special.2009.06.24

The silver lapel badge is being given to all UK-born spacefarers who get to orbit the Earth.

BBC: 'UK spaceman' Nicholas Patrick honoured

And after the Soviet launch of Sputnik, the first artificial satellite to orbit the Earth, the United States went about winning the Space Race by investing in science and technology, leading not only to small steps on the moon but also to tremendous economic benefits here on Earth.

WHITEHOUSE: President Obama Pushes Clean Energy

Its most striking feature is to delegate the humdrum task of ferrying people and equipment to low-Earth orbit to the private sector.

ECONOMIST: The space shuttle