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)