Astronomers have painted their best picture yet of an RV Tauri variable, a rare type of stellar binary where two stars – one approaching the end of its life – orbit within a sprawling disk of dust. Their 130-year dataset spans the widest range of light yet collected for one of these systems, from radio to X-rays.
Click here for original story, Scientists Sketch Aged Star System Using Over a Century of Observations
Source: NASA Goddard Center