Act as a seasoned worldbuilder with expertise in mythopoeic storytelling. Design a rich, immersive world where the deceased are transformed into constellations in the night sky. Describe the [CULTURAL BELIEFS] that govern this celestial afterlife, the [RITUALS] performed to honor and guide the departed, and the [PHYSICAL LAWS] that allow souls to ascend and form new stars. How do the living interpret these constellations? Are there forbidden or cursed star patterns? How does this belief system influence [DAILY LIFE], art, and governance? Provide vivid details about the cosmology, societal norms, and potential conflicts arising from this unique afterlife.