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NASA's Goddard Space Flight Center

Scientists Sketch Aged Star System Using Over a Century of Observations

12 Mar 2021, 16:00 UTC
Scientists Sketch Aged Star System Using Over a Century of Observations

NASA’s Goddard Space Flight Center/Chris Smith (USRA/GESTAR)

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.

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