JPL Visions of the Future, Mars (2018) illustrated by Jet Propulsion Laboratory (JPL) / NASA. Original public domain image… https://www.rawpixel.com/image/10184944/image-art-space-cartoonFree Image from public domain licenseThe World almanac and encyclopedia (1908) vintage icon. Original public domain image from Wikipedia. Digitally enhanced by… https://www.rawpixel.com/image/10546859/image-paper-art-vintageFree Image from public domain licenseFree listening to music image, public domain electronic device CC0 photo. https://www.rawpixel.com/image/5918654/image-public-domain-black-technologyFree Image from public domain licenseCellarius Ptolemaic System from Andreas Cellarius Harmonia Macrocosmica (1660) chromolithograph art by J. van Loon. Original… https://www.rawpixel.com/image/10184766/image-face-hand-personFree Image from public domain licenseDebris plot photo by NASA. Original public domain image from Wikimedia Commons. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/10184875/image-galaxy-space-skyFree Image from public domain license