Scientists sketch aged star system using over a century of observations infowars.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from infowars.com Daily Mail and Mail on Sunday newspapers.
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IMAGE: U Mon s primary star, an elderly yellow supergiant, has around twice the Sun s mass but has billowed to 100 times the Sun s size. Scientists know less about the companion, the. view more
Credit: Credit: 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.