ROYAL ASTRONOMICAL SOCIETY / SCIENCE PHOTO LIBRARY ROYAL ASTRONOMICAL SOCIETY / SCIENCE PHOTO LIBRARY
Johann Nepomuk Krieger (1865â1902). Historical image of the Bavarian astronomer and draughtsman Johann Nepomuk Krieger. Krieger was a selenographer - someone who studies the surface and physical features of the Moon - and is best known for producing the most detailed lunar maps of his time. The Krieger crater on the Moon is named in his honour.
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