at URL: https://esahubble.org/images/potw2421a URL: https://esahubble.org/media/archives/images/original/potw2421a.tif determination method: JImagehash...
described at URL: https://esahubble.org/images/potw2421a URL: https://cdn.esahubble.org/archives/images/large/potw2421a.jpg determination method or standard: JImagehash...