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80.8 MB (6.7 MB compressed)
7343 x 3847 pixels
62.2 x 32.5 cm ⏐ 24.5 x 12.8 in (300dpi)
DAVID PARKER / SCIENCE PHOTO LIBRARY DAVID PARKER / SCIENCE PHOTO LIBRARY
19th century comparative illustration of Spectra of the Sun and stars with the sun at the top, followed in order by; Sirius, Aldebara and Betelgeuse at the bottom. Spectroscopy is the study of the interaction between matter and electromagnetic radiation.
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