Galactic Signature Charts Your Galactic signature is one of the keys to unlocking your Cosmic Identity. It is your precise code that reveals attributes of a higher dimensional expression of who you are, and what your gifts are to share in this lifetime. Your specific galactic signature corresponds with a number, color, Earth family, chakra, planet, and much more. Galactic Signatures are based on Mayan Astrology as it is a multi-layer key into your Divine design, central to your life’s destiny, based upon your date of birth (first breath).