Over five years, the researchers tagged 25 females with satellite tracking devices strapped or drilled to their shells as they left their hatching grounds in Africa to seek food across the Atlantic.

过了五年的时间，科学家们通过在25只雌性龟身上打上标签，通过绑在或者钉在他们壳上的卫星追踪装置，追踪了他们离开在非洲的孵蛋到穿越大西洋寻找食物的过程。

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The satellite was deactivated in 2005 as it ran out of fuel and was left orbiting Earth like a big piece of space junk.

这颗卫星于2005年由于燃油耗尽报废，并像一大块宇宙垃圾一样被扔在了飞行轨道上。

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On Feb. 1, 2011, the Hinode satellite captured this breathtaking image of a coronal hole, the dark area seen at the right side of this image. A second, polar coronal hole can also be seen at left.

在2011年2月1日,日本名为日之出（Hinode)的卫星捕获了这张惊人的日冕洞图像,这个黑暗的区域在这个图片的右边，另外一个与之相对的日冕洞在图片的左边出现。

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But although the Dragon was unaffected, the engine problem left a small communications satellite that was along for the ride as a secondary payload unable to reach its proper orbit.

ECONOMIST: SpaceX goes to the ISS

On a typical long-haul flight, says Mike Fitzgerald of Altobridge, a firm that makes technology to bridge satellite and cellular networks, 20 mobile phones are left switched on.

ECONOMIST: REPORTS

In the military, for instance, tools like satellite phones have broken down some barriers that would have better been left standing.

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