Keywords: 7 Iris Astronomical Symbol.svg The traditional astronomical symbol for 7 Iris after http //aa usno navy mil/hilton/AsteroidHistory/minorplanets html Gould B A 1852 On the Symbolic Notation of the Asteroids Astron J 2 80 As the number of asteroids grew the symbols got more and more complex leading to the creation of Minor Planet Numbers This one a rainbow with a star under it was perhaps the most complex to date due to the somewhat difficult concentric bands though 4 Vesta before the more modern simplification was pretty difficult as well Still 8 Flora and particularly 10 Hygiea would be much worse and things got worse from there 2007-02-28 own assumed Editor at Large The original PNG version was licensed as <nowiki> </nowiki> This SVG version is licensed as follows Asteroid symbols 7 Iris |