An explanation of the images PIA17172 and PIA17171, the day the Earth smiled in 4K UHD. Our Solar System's Planets Playlist - https://goo.gl/pfzZtp Want to have a closer look at this 9K image for yourself? Download here! http://photojournal.jpl.nasa.gov/catalog/PIA17172 There's so much to be seen in just this one image. There are the moons Enceladus, Tethys, Mimas, Janus, Epimetheus, Prometheus and Pandora. We can see all of Saturn's rings. And we can see the planets Mars, Venus and Earth (and of course Saturn!). More videos are on the way. Be sure to subscribe to see them as they come. SUBSCRIBE http://goo.gl/WX4iMN FACEBOOK http://goo.gl/uaOlWW Music by Anima - Spirit of the Valley feat. M-PeX All credit for the photos go to NASA.