Astronomique is a xenogender connected to space, stars, astronomy, astrology, and dark shades of purple and indigo. Someone who is bonecoric feel a strong connection between their gender and maybe space, spacecore, starcore, galaxycore, and nebulae. This can also be considered an aesthetigender.
History and Flags
On May 8, 2019, user Mason-the-Owlkin coined the term on Tumblr. The flag was created on the same day.