Here we list the authors of all the media files in this directory (and possibly sub-directories). All files are released under the CC by-sa license which can be found in the LICENSE file in this directory, unless otherwise specified. File Author planet_callisto.png Bjorn Jonsson at www.mmedia.is/~bjj (publicly available) planet_earth.png James Hastings-Trew at planetpixelemporium.com (publicly available) planet_europa.png Bjorn Jonsson at www.mmedia.is/~bjj (publicly available) planet_ganymede.png Bjorn Jonsson at www.mmedia.is/~bjj (publicly available) planet_io.png Bjorn Jonsson at www.mmedia.is/~bjj (publicly available) planet_jupiter.png University at www.physics.sfasu.edu (public domain) planet_mars.png James Hastings-Trew at planetpixelemporium.com (publicly available) planet_mercury.png James Hastings-Trew at planetpixelemporium.com (publicly available) planet_moon.png James Hastings-Trew at planetpixelemporium.com (publicly available) planet_neptune.png Bjorn Jonsson at www.mmedia.is/~bjj (publicly available) planet_pluto.png James Hastings-Trew at planetpixelemporium.com (publicly available) planet_saturn.png Bjorn Jonsson at www.mmedia.is/~bjj (publicly available) planet_titan.png JPL, Bjorn Jonsson and James Hastings-Trew at maps.jpl.nasa.gov (public domain) planet_uranus.png JPL, Bjorn Jonsson and James Hastings-Trew at maps.jpl.nasa.gov (public domain) planet_venus.png JPL, Bjorn Jonsson and James Hastings-Trew at maps.jpl.nasa.gov (public domain) star_sol.png Calvin J. Hamilton at www.solarviews.com (available for students)