This is possible only because disk drives, while valuable, are small and light and so cost little to ship.

这之所以成为可能，只是因为磁盘驱动器虽然价值高，但体积小、重量轻，因此运输成本低。

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From end to end, the Milky Way's starry disk, observable with the naked eye and through optical telescopes, spans 120,000 light-years.

从一端到另一端，银河系布满星星的圆盘横跨12万光年，可以用肉眼和光学望远镜观察到。

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This is not the star's disk you are seeing but the effect of having a circular aperture in your telescope and due to the nature of light.

这不是星星自身的光环，而是由于望远镜的圆形孔径光阑以及光的物理特性造成的。

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Proga and his colleagues hypothesize that intense ultraviolet light emanating from the accretion disk region produces two types of winds.

CNN: Black holes in a new light

Google said the data came to light when it searched by hand its Street View disk inventory.

MSN: Google admits it did not delete Street View data

The simulation detailed in the new paper is based on a sphere centered on our sun that stretches through the disk of our Milky Way galaxy out to a distance of almost a 1000 light years.

FORBES: Free-Floating, Nearby Black Holes Detectable By Decade's End, New Study Reports