Counterfeit Constellations

From the rooftop above the laundromat, Priya knew the night sky cold. So she spotted it at once: a tiny blue dot inside Cassiopeia's crooked W, sitting where nothing should be. She checked her star atlas twice, then three different apps. The dot was real to her eyes and to her phone, but it wasn't on any map. Her hands went cold. New stars don't just show up overnight.