NASA Staff 20 December 2011 | Proceedings of the National Academy of Sciences of the United States of America |
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: A Historical Journey through the Solar System, Princeton University Press, p | European Southern Observatory Press Release |
Mercury's craters are named after famous artists, musicians and authors | |
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Faber, Peter; Quillen, Alice C | "Discovery of a Planetary-Mass Brown Dwarf with a Circumstellar Disk" |
Department of Physics and Astronomy, University of Rochester.