William Kenneth Hartmann - Wikiwand
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Descrição
William Kenneth Hartmann is a noted planetary scientist, artist, author, and writer. He was the first to convince the scientific mainstream that the Earth had once been hit by a planet sized body , creating both the Moon and the Earth
2010 Barringer Medal for William K. Hartmann - Chapman - 2010
William K. Hartmann by Jessica Taylor
William K Hartmann: 'First on Mars', November 1993 : r/sciencefiction
Prabook
Artist Depiction by William K. Hartmann
Robert Williams' mezzotint, “Sir Edward - Prints and Principles
William K. Hartmann, USA
Pratisaṃvid – © Dorji Wangchuk (Kuliśeśvara)
William K Hartmann: 'First on Mars', November 1993 : r/sciencefiction
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