When designing the attitude control system of spacecraft, it is necessary to take account of the sunlight pressure disturbance torques under various sunlight incident conditions.

在设计航天器姿控系统时，需要充分考虑各种光照条件下航天器所受到的太阳光压干扰力矩。

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Some are swept back by radiation pressure from sunlight to create straight dust streaks.

其中的一些碎片受阳光的辐射压力作用形成与周围星尘不同的直条状。

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They draw their energy from sunlight (the reflected light exerts a small pressure on the sail, driving it forward) and therefore need no fuel.

它们利用太阳光获取能量(反射的阳光施加小量压力与太阳帆上，进而驱动其前进)，因而无需燃料。

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The pressure of sunlight alone should drive the hub and its membrane through space.

BBC: Mini-camera pictures Japan's Ikaros solar sail

It suffered from short-circuits, faulty radio and power systems, an unreliable tape-recorder, a sticky camera platform, and the loss of much of the gas that supplied its stabilising thrusters a problem overcome by repositioning its solar panels and main antenna so that they acted as solar sails, stabilising the probe via the gentle pressure of sunlight.

ECONOMIST: The long arm of the celestial repairman

Similarly, the pressure exerted by sunlight, and the force exerted by the emissions from each probe's radio antenna, were dismissed: again, both are too weak, and they would tend to push the probes away from the sun, not towards it.

ECONOMIST: A space oddity