Sedna Astrology describes the placement of the asteroid Sedna in your birth chart. This asteroid is also known as the Goddess of the Sea. This sign helps you understand yourself and fight against all odds and survive catastrophes. This is based on Western Astrology. Sedna Astrology describes your characteristics based on the placement of the asteroid Sedna in your natal chart. Along with the sun sign and moon sign, the Sedna sign also helps you understand yourself better. This has given rise to a most unconventional kind of astrology. The name has come from the Inuit mythology in which Sedna was fooled into marrying an evil man. Her father freed her from her husband but left her to die in order to save his own life. Sedna stands for hardships and sacrifices. This asteroid tells us a lot about ourselves and our journey through life. It gives us an aim to overcome problems and come out a winner.