Photograph of moon, Great Melbourne Telescope, 1 September 1873, moon's age 9.0 days (1873) by Melbourne Observatory. https://www.rawpixel.com/image/13027938/photo-image-public-domain-black-and-white-moon-paperFree Image from public domain licensePhotograph of moon, Great Melbourne Telescope, 4 April 1873, Moon's age 7.0 days (1873) by Melbourne Observatory. https://www.rawpixel.com/image/13028464/photo-image-public-domain-photograph-moonFree Image from public domain licenseThe moon, Great Melbourne Telescope, 4 April 1873 (1873) by Melbourne Observatory. https://www.rawpixel.com/image/13027944/photo-image-space-planetary-public-domain-paperFree Image from public domain licenseView of Melbourne, Australia as seen from the Skylab space station. Original from NASA. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/441570/free-photo-image-melbourne-australian-australiaFree Image from public domain license