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51.7 MB (489.3 KB compressed)
4250 x 4250 pixels
36.1 x 36.1 cm ⏐ 14.2 x 14.2 in (300dpi)
SCIENCE PHOTO LIBRARY SCIENCE PHOTO LIBRARY
Butane molecule. Atoms are represented as spheres and are colour-coded: carbon (black) and hydrogen (white).
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