Image: Space lens
Space_lens.png (768 × 519 pixels, file size: 130 KB, MIME type: image/png)
Description: Principle of a space lens. The basic function of a space lens to mitigate global warming. In reality, a 1000 kilometre diameter lens is enough, and, as a w:Frensel lens only a few millimeters thick, much smaller than simplified in image.
Usage Terms: Public domain
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