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: Phys.org