Aurorian is a non-binary gender from the galactian alignment system. It refers to someone who is fluid between alignments. These changes can be fluid or sudden. They could be fluid between any number of alignments.
The aurorian flag was designed by System-Lgbt on July 25, 2018. The grey represents the varying degrees in which people can experience this gender. Black represents people who are genderless. Yellow represents the non-binary nature of those represented by this flag. The top two stripes being different shades of the same color represent the varying levels in which people can be/experience this alignment. The color of the top two stripes is based on the colors of the aurora boralis/australis.