Sidney Hall’s (1831) astronomical chart illustration of the Canis Major, Lepus, Columba Noachi and the Cela… https://www.rawpixel.com/image/429668/free-illustration-image-zodiac-maps-astrologyFree Image from public domain licenseThe Constellations Argo and Hydra (recto), The Constellations Canis Major and Canis Minor (verso), Folio from an Ajaib al… https://www.rawpixel.com/image/12018151/image-dog-paper-handFree Image from public domain licenseHubble's Cosmic Bubbles. a large bubble-like structure wrapped around an extremely large, bright type of star known as a… https://www.rawpixel.com/image/440047/free-photo-image-nasa-dog-1052Free Image from public domain license