Spacecraft which are re-entering the earth's atmosphere are affected by g forces.

重返大气层的航天器受到重力的作用。

《牛津词典》

During re-entry, most of the spacecraft will burn up while passing through the Earth's atmosphere.

在重新进入大气层的过程中，大部分航天器会在穿过地球大气层时燃烧殆尽。

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In 1995 the Galileo spacecraft captured data about Jupiters atmosphere—namely, the absence of most of the predicted atmospheric water—that challenged prevailing theories about Jupiters structure.

1995年，伽利略号太空船捕捉到关于木星大气层的数据——数据中心缺少大部分预测的大气水，这挑战了关于木星结构的主流理论。

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It thundered into space perfectly, pushing an unmanned Apollo spacecraft more than eighteen thousand kilometers up into the atmosphere.

VOA: special.2009.07.08

It was the only part of the spacecraft that could survive the fiery return through the Earth's atmosphere.

VOA: special.2009.07.22

The flight tested the heat shield. The shield protected the spacecraft from the great heat produced when it returned through the Earth's atmosphere.

VOA: special.2009.06.10

In 1967, the Soviet Venera 4 spacecraft entered the atmosphere of Venus and transmitted data back to Earth before losing contact about 15 miles above the surface.

CNN: Sunday,

But this orbit will rapidly decay over the coming week as the spacecraft drags through the top of the atmosphere.

BBC: Video tracks stricken Mars probe

Nukes could be used against alien spacecraft in orbit, or in the atmosphere, or against alien raiders and bases on the ground.

FORBES: Why Don't We Nuke the Aliens in Xcom?