| Random files - Portfolio |

Blue Mars1543 viewsCover painting for Book 2 in the award-winning Mars Trilogy by Kim Stanley Robinson ; 16.25 x 22.5 inches ,acrylic and gouache on board,1996 ; $4,100
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224 AntaresDawn841 viewsAntares Dawn - cover for novel by Michael McCollum, a starship hovers against the backdrop of the exploding red giant Antares
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022 PortraitOf Mars1283 viewsA portrait of Mars as revealed by Mariner Nine. Oil on masonite, 1973. artwork © 2007 Don Dixon/cosmographica.com
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024 OrbitingTitan1428 viewsTitan depicted as a world warmed by the greenhouse effect, dated concept. Oil on masonite, 1973. artwork © 2007 Don Dixon/cosmographica.com
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424 MicroBlackHolesForm837 viewsMicroscopic black holes may have been formed in two ways: in the early universe, when, shortly after the big bang, localized condensations of mass were compressed to sufficient density; and today, when cosmic rays collide with atoms in the upper atmosphere. Digital diagram for Scientific American, 2005
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