MIDDLE TEMPLE LIBRARY / SCIENCE PHOTO LIBRARY MIDDLE TEMPLE LIBRARY / SCIENCE PHOTO LIBRARY
Astronomy research. Sun and Moon. This artwork is from 'Astronomiae Pars Optica' (1604) by German mathematician, astronomer and astrologer Johannes Kepler (1571-1630). This work is considered the founding text in the science of optics. Kepler wrote about various topics in astronomy and optics, including the inverse-square law for light intensity, reflection, pinhole cameras, parallax, the apparent sizes of astronomical bodies, and the human eye.
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