A defunct satellite the size of a school bus is falling back to Earth.

一个失去功能的卫星，与校车大小接近的残余物将会落到地球上。

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Mantz: Concerns about radiation and radiological objects falling back to Earth.

曼茨：人们对辐射和落回地球的放射物感到担心。

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Mantz: Concerns about radiation and 15)radiological objects falling back to Earth.

曼茨：人们对辐射和落回地球的放射物感到担心。

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The station, now circling at a height of 342km, needs a regular re-boost to keep it from falling back to Earth.

BBC: Freighter boosts altitude of ISS

The ATV is also used to drive the 400-tonne orbital complex higher into the sky to stop it falling back to Earth.

BBC: European tech could propel Nasa's Orion capsule

Now, however, once high-flying neighbors are falling back to earth.

FORBES: North Asia Is Following The Eurozone Down