Circle rainbow light. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3282893/free-photo-image-light-circle-background-rainbowFree Image from public domain licenseMedallion with Cupid Lighting His Wick by Wedgwood Manufactory (Manufacturer) https://www.rawpixel.com/image/8933299/medallion-with-cupid-lighting-his-wick-wedgwood-manufactory-manufacturerFree Image from public domain licenseThe story of the sun, moon, and stars (1898) illustrated by Agnes Giberne. Original public domain image from Wikimedia… https://www.rawpixel.com/image/10184798/image-moon-space-patternFree Image from public domain licenseThe undulating geometrical facade at the convention center in Messeplatz.. Original public domain image from Wikimedia… https://www.rawpixel.com/image/3285590/free-photo-image-building-texture-blue-backgroundFree Image from public domain licenseOptics: a colour-circle, after M. E. Chevreul. Colour aquatint by R.H. Digeon, ca. 1868. https://www.rawpixel.com/image/13961814/image-background-art-patternFree Image from public domain licenseFree spiral stairways from a low angle image, public domain architecture CC0 photo. https://www.rawpixel.com/image/5917686/image-light-public-domain-shadowsFree Image from public domain license Extraordinary stained-glass ceiling inside Louisiana's Old State Capitol Building in Baton Rouge… https://www.rawpixel.com/image/8069481/photo-image-background-pattern-artFree Image from public domain licenseOptics: interference phenomena, exhibited by diffraction gratings. Coloured mezzotint by M. Rapine [1883], after B. Desgoffe. https://www.rawpixel.com/image/13968649/image-background-pattern-circleFree Image from public domain licenseOptics: spectra of various stars, including our sun. Coloured process print by Cassell. https://www.rawpixel.com/image/13957739/image-stars-sun-circleFree Image from public domain licenseAn artist's impression of GRO J1655-40 (1999 and 2001) illustrated photo by NASA/CXC/A.Hobart. Original public domain image… https://www.rawpixel.com/image/10184771/image-face-person-spaceFree Image from public domain licenseAlone in Space - Astronomers Find New Kind of Planet (2011) photo by NASA/JPL-Caltech. Original public domain image from… https://www.rawpixel.com/image/10184856/image-galaxy-moon-spaceFree Image from public domain licenseDesign for Stained Glass Window: Light in Chapter Room, Carnegie Hall, New York, NY (late 19th century). Original public… https://www.rawpixel.com/image/10103396/image-art-pattern-vintageFree Image from public domain licenseFree mirror ball in nightclub image, public domain party CC0 photo. https://www.rawpixel.com/image/5921078/photo-image-background-public-domain-sparkleFree Image from public domain licenseThe Glorification of the Union of the Houses of Hapsburg and Lorraine by Franz Anton Maulbertsch https://www.rawpixel.com/image/14262895/image-clouds-angels-handsFree Image from public domain licenseChemistry: a piece of steel wire burning in oxygen inside a glass jar. Mezzotint, 1809. https://www.rawpixel.com/image/13960323/image-circle-light-public-domainFree Image from public domain licenseFree colorful bokeh background image, public domain design CC0 photo. https://www.rawpixel.com/image/5926441/photo-image-background-wallpaper-textureFree Image from public domain licenseAn illuminated Ferris wheel in Al Qasba in motion with timelapsed light trails. Original public domain image from Wikimedia… https://www.rawpixel.com/image/3305445/free-photo-image-blur-amusement-park-backgroundFree Image from public domain licenseMonkey Trade Sign (1930-1950). Original public domain image from The Smithsonian Institution. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/10103586/photo-image-vintage-cartoon-lightFree Image from public domain licenseFree ferris wheel at night image,#public domain amusement park cc0 photo. https://www.rawpixel.com/image/5917027/photo-image-lights-public-domain-circleFree Image from public domain licenseFree electronic disco light image, public domain celebration CC0 photo. https://www.rawpixel.com/image/5921687/photo-image-light-public-domain-shadowFree Image from public domain licenseA bright and colorful ferris wheel spinning in circles in the middle of the night. Original public domain image from… https://www.rawpixel.com/image/3286107/free-photo-image-colored-circle-amusement-park-cc0Free Image from public domain licenseStarry sky and mountains. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3282326/free-photo-image-night-sky-circle-architectureFree Image from public domain licenseFree electronic disco light image, public domain celebration CC0 photo. https://www.rawpixel.com/image/5921461/photo-image-light-public-domain-shadowFree Image from public domain licenseAnd that Eyes without Heads Were Floating Like Mollusks, plate 13 of 24 by Odilon Redon https://www.rawpixel.com/image/8973890/image-paper-person-artFree Image from public domain licenseNude Male Figures Bearing the Bodies of their Dead Companions by James Jefferys https://www.rawpixel.com/image/8979044/nude-male-figures-bearing-the-bodies-their-dead-companions-james-jefferysFree Image from public domain licenseLamp (shade) by Tiffany Glass & Decorating Company (Manufacturer) https://www.rawpixel.com/image/8941317/lamp-shade-tiffany-glass-decorating-company-manufacturerFree Image from public domain licenseAnd in the Very Disk of the Sun Lights the Face of Jesus Christ, plate 10 from The Temptation of Saint Anthony (1st series)… https://www.rawpixel.com/image/9055083/image-paper-jesus-frameFree Image from public domain licenseWet Night, Columbus Circle, New York, No. 11 from the portfolio "American Pictorial Photography, Series I" (1899) by William… https://www.rawpixel.com/image/8964622/photo-image-tree-circle-smokeFree Image from public domain licenseClay Filter with punched and inscribed decoration by Islamic https://www.rawpixel.com/image/8945565/clay-filter-with-punched-and-inscribed-decoration-islamicFree Image from public domain licenseThe story of the sun, moon, and stars (1898) chromolithograph art by Agnes Giberne. Original public domain image from… https://www.rawpixel.com/image/10184707/image-face-shadow-personFree Image from public domain licenseLunar Planisphere, Hypothetical Oblique Light (1806) engraving art by John Russell. Original public domain image from Yale… https://www.rawpixel.com/image/10184888/image-moon-space-patternFree Image from public domain licenseAnatomy, physiology and hygiene (1890), vintage human brain illustration. Original public domain image from Wikimedia… https://www.rawpixel.com/image/11065248/image-face-plant-artFree Image from public domain licenseThe Creation of the World and the Expulsion from Paradise by Giovanni di Paolo (Giovanni di Paolo di Grazia) https://www.rawpixel.com/image/9086797/image-medieval-art-sun-renaissanceFree Image from public domain licenseA short course in astronomy and the use of the globes (1871) chromolithograph art by HenryKiddle. Original public domain… https://www.rawpixel.com/image/10184836/image-moon-space-skyFree Image from public domain licenseElements of theoretical and descriptive astronomy, for the use of colleges and academies (1901) chromolithograph art by… https://www.rawpixel.com/image/10184710/image-galaxy-face-personFree Image from public domain licenseNASA child bubble exploration (2011) illustrated by NASA. Original public domain image from Wikimedia Commons. Digitally… https://www.rawpixel.com/image/10184832/image-galaxy-plant-personFree Image from public domain licenseFrom the Earth to the Moon direct in ninety-seven hours and twenty minutes, and a trip round it (1874) chromolithograph art… https://www.rawpixel.com/image/10184736/image-borders-cow-plantFree Image from public domain licenseThe Cup (1918) woodcut art by Roger Fry. Original public domain image from Yale Center for British Art. Digitally enhanced… https://www.rawpixel.com/image/11493544/image-art-vintage-cartoonFree Image from public domain licenseVietnam War audio correspondence (1969). Original public domain image from The Smithsonian Institution. Digitally enhanced… https://www.rawpixel.com/image/10103589/photo-image-plastic-vintage-tapeFree Image from public domain licenseThe nucleus of an atom. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3292316/free-photo-image-eye-fire-circle-photography-red-abstractFree Image from public domain license