James Poole – “Donati’s Comet” (1858), featured in “Colonizing the Oort Cloud: The Final Frontier of the Solar System”
Elisabeth Vigée-Lebrun – “Portrait of Princess Karoline of Liechtenstein” (1793), featured in “A Second Sci-Fi Romance Novel is Coming Soon” and “Dear Future Me: New Sci-Fi Romance Novel Released”
“Design for The Magic Flute: The Hall of Stars in the Palace of the Queen of the Night, Act 1, Scene 6”, after Karl Friedrich Schinkel (1816), featured in “Cosmic Ley Lines: Space Opera to Space Fantasy”
SpaceX – “A Performance Inside Starship” (2018), featured in “Interplanetary Travel in the Solar System of the Near Future”
Adamas Nemesis – “Spaceplane approaching Neptune orbital Sphere” (2020)
Karl Wilhelm Diefenbach – “Solitude” (1851-1913), featured in “Lifestyles in a Fully Globalized Future”
Artur José de Sousa Loureiro – “Spirit of the New Moon” (1888), featured in “To Orbit by Space Gun”
William-Adolphe Bouguereau – “The Nut Gatherers” (1882), featured in “Art, Nature, and Freedom: Toward a Better Future for Education”
Witold Pruszkowski – “Falling star” (1884), featured in “Panspermia, the Alpha, and the Omega”
Albert Bierstadt – “Alaska” (c. 1889), featured in “An Alternate History of Cascadia”
Ivan Aivazovsky – “Black Sea (A storm begins to whip up in the Black Sea)” (1881), featured in “The Lavender Glow of a Radon Sea: Worldbuilding Exotic Oceans”
Frederic Edwin Church – “Aurora Borealis” (1865), featured in “Thalassa, or Proxima Centauri b: The Pale Green Dot”
Vilhelm Melbye (attrib.) – “Shipping off the Eddystone Lighthouse” (1824-82), featured in “Worldbuilding Communications with Smoke, Mirrors, and Analog Computers”
Donald Davis – “Endcap view with suspension bridge” (1975), featured in “Worldbuilding Space Megastructures: Beyond Dyson Spheres”
Rick Guidice – “Toroidal colonies, cutaway view, exposing the interior” (1970s), featured in “Artificial Gravity in Outer Space: Centrifuges and Beyond”
Elisabeth Louise Vigée Le Brun – “Lady Hamilton as a Bacchante” (1790), featured in “Jean Sibelius and the Music of a Sci-Fi World”
Karl Wilhelm Diefenbach – “The Fairy Dance” (1895), featured in “The Coming Union of Intelligence and the Cosmos Primeval”
Adamas Nemesis – “Travel the Solar System at 1g” (2021)
Cesare Maccari – “Cicero Denounces Catiline” (1889), featured in “Presidential Debate Reform: A Radical Proposal”
John Smmons – The Morning Star (1867) (detail), featured in “Worldbuilding the Cool, the Romantic, and the Fantasy into my Space Opera Setting”
John William Godward – the Priestess (1893), featured in “Indistinguishable from Nature: Toward a ubiquitous Dark Web”
Alfons Mucha – “Dance” (1898), featured in “Toward Nuclearpunk: Solarpunk with a Twist”
NASA – “High Altitude Venus Operational Concept” (2014), featured in “Worldbuilding Cloud Cities on Venus”
Delphin Enjolras – “Portrait of an Elegant Lady Reading” (1910), featured in “New Year, New Sci-Fi Romance Novel”
“Portrait of Emma Hart” by George Romney (c. 1784), featured in “Toward a Libertarian Artistic Movement”
William-Adolphe Bougereau – “The Motherland” (1883), featured in “Big Families on the High Frontier: Worldbuilding Space Colony Demography”
Luis Ricardo Falero – “Nymphe” (1892), featured in “Aquamusicals in Space: Worldbuilding Zero-G Sports”
Ivan Aivazovsky – “The Great Pyramid at Giza” (1871), featured in “Twilight of a Decade”
Thomas Cole – “The Ages of Life: Youth” (1842), featured in “Leveraged Stocks for long-term Investing”
Adamas Nemesis – “Sunset flight to cloud city” (2020)
Hubble Space Telescope – “The Cosmic Horseshoe” (2011), featured in “The Sun as Gravitational Lens: A Breakthrough Technology?”
Tom Roberts – “The Opening of the First Parliament” (1903), featured in “I Joined the Fediverse”
William-Adolphe Bouguereau – “Not Too Much to Carry” (1895), featured in “The Surprising Path to a Happy Everyday Life”
Gaston La Touche – “Le Ballet” (1890-1913), featured in “Dancing in Space: Worldbuilding More Zero-G Sports”
Peter Nicolai Arbo – Valkyrien (1869), featured in “Constant Acceleration: Across the Solar System and Beyond”
James Tissot – “Plymouth Dockyard” (1887), featured in “College Ships: A Pathway to Seasteading”
Victor Gabriel Gilbert – “The ball or an elegant evening” (c. 1890), featured in “A Social Vision for College Ships”
NASA – “X-30 NASP” (1990), featured in” The Shapes of Spaceships”
Gabriel Loppé – “Unknown Title” (1882), featured in “Skiing and Space Diving on Other Worlds”
Fritz Zuber-Bühler – Distant Thoughts (1822-96), featured in “Beginning the Adventure of writing a Novel”
Edwin Blashfield – Spring Scattering Stars (1927), featured in “Worldbuilding a Space Opera Setting of My Own”
Karl Wilhelm Diefenbach – “Question to the Stars” (1901), featured in “To Further the Decentralized Web, Think Bigger”
James Tissot – “Goodbye on the Mersey” (c. 1880), featured in “Industrialization in a World Without Oil”
Pierre-August Cot – “Primavera” (1873), featured in “Pensioners, Aristocrats, and Financial Independence”
Jonas Lie – “Path of Gold” (1914), featured in “Ecumenopolis: Thoughts on Worldbuilding City-Planets”
Ivan Aivazovsky – “The Ninth Wave” (1850), home page header image
John Martin – “Pandemonium” (1841), featured in “Our Dystopian Moment: The Fruit of Our Dystopian Futures”
Archibald Thorburn – “On the stooks – Blackgame” (1902), featured in Worldbuilding Avian Intelligence”
Les Bossinas – “Wormhole travel” (1998), featured in “Worldbuilding faster than Light Travel”
Thomas Le Clear – “Young America” (1863), featured in “Abolish Elections: For Sortition and Direct Democracy”
Lawrence Alma-Tadema – “Spring” (1894), featured in “Worldbuilding Near-Future Space Demography”
Karl Wilhelm Diefenbach – “Capri III” (1900), featured in “The Rise of Deplatforming and the Decentralized Web”
Antonio Sant’Elia – “Casa a gradinata” (1914), featured in “Personal Transportation of the Near Future: Flying Cars and Beyond”
Rick Guidice – Bernal Sphere “Interior including human powered flight” (1970s), featured in “Our Future in Space Habitats: More Thoughts”
Adamas Nemesis – “Charting the Airy Deep” (2020)
Paul DiMare – NASA Study for Manned Mars Mission (1989), featured in “Road Trains of Mars”
Bror Lindh – “Northern Light” (1900), featured in “Worldbuilding Seasons on Planets with High Axial Tilts”
Robert Wilhelm Ekman – “Ilmatar” (1860), featured in “Worldbuilding Exotic Oxygen Atmospheres” and “Letters from the Airy Deep: New Novel Coming Soon”
Karl Wilhelm Diefenbach – “Sphinx mit Undine” (1902), featured in “The Long Night of Elite Imagination”
Léon-François Comerre – “Moon” (1850-1916), featured in “Infinite Scattering: The Future of Spacefaring Civilization?”
George Romney – “Lady Emma Hamilton as Cassandra” (1780s-1790s), featured in “Lockdown, the Culture of Fear, and the Politics of the Future”
Karl Wilhelm Diefenbach – “Der Rettung entgegen” (1851-1913), featured in “Worldbuilding Immortals in Science Fiction”