| Last additions - IMAGE LIBRARY |
478 Hadean Earth183 viewsAn asteroid shatters the thin crust of the forming earth 4.5 billion years ago. © 2010 Don Dixon/cosmographica.com Mar 24, 2010
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473 Winter Solstice Diagram1135 viewsThe beginning of winter marks the time when earth, in its orbit, is oriented so that the northern hemisphere is maximally tilted away from the sun. This results in a shorter period of daylight and lower angle of incidence of sunlight; days are cool and short. Around the solstice, the sun does not rise as seen from any point north of the Arctic Circle. The Southern Hemisphere begins its summer at this time. Digital diagram © 2007 by Don Dixon. Dec 16, 2007
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472 Iapetus Study1139 viewsSaturn produces a "diamond ring" effect as it eclipses the sun in this perspective from the satellite Iapetus. acrylic, gouache, and oil glaze on illustration board, 48x35 cm, 1984.Jun 25, 2007
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471 Space Elevator1107 viewsPowerful electromagnetic motors loft cargo carriers from the Island of Sumatra, on the equator, to geosynchronous orbit 22,000 miles up. Acrylic and gouache, 1983.Jun 25, 2007
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470 shaman1069 viewsAlien shaman attempts to drive away human colonists in this cover for Paul McAuley's novel "Of the Fall". acrylic on illustration board, 1989. © 2007 Don Dixon/cosmographica.comJun 09, 2007
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