The picture is a digital composite, a separate longer exposure added to an eclipse frame to capture the surrounding star field.

这幅图片是经过数码合成的，由一幅分开的长曝光照片和拍摄下周围星域的月食照片组成。

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You'll quickly realize whether your shots are under or overexposed and whether the length of the exposure is long enough to let cars travel through the frame in the way that you want.

你就会很快发现你的拍摄是曝光过少还是过多，曝光时间是否够长到让车辆以你希望的方式驶过相框。

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The time warp occurs because this image captured in a single frame a four hour exposure of the night sky. As a result, prominent star trails are visible.

发生时间弯曲是因为这张图是对夜空曝光4小时的单帧照片，结果可见显著的星迹。

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Instead of trying to grab each frame in a single exposure, the scientist (unlike the entertainer) can wait as the data build up over time.

ECONOMIST: Researchers can now broadcast moving holograms

The trick is to frame the shot and set the camera for a long exposure, then any bolts that appear in the frame will be captured in all their glory.

BBC: Lightning really does strike twice