File:2DM-Planck.jpg
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![File:2DM-Planck.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/a/a8/2DM-Planck.jpg/800px-2DM-Planck.jpg?20110330084550)
Size of this preview: 800 × 398 pixels. Other resolutions: 320 × 159 pixels | 640 × 318 pixels | 1,277 × 635 pixels.
Original file (1,277 × 635 pixels, file size: 120 KB, MIME type: image/jpeg)