Contact: Daniel Stolte
University of Arizona
Caption: This graphic shows the range of sizes of a brown dwarf compared to Jupiter and the Sun and the Earth (to scale). Brown dwarfs are more massive than planets but less massive than stars. But they have similar diameters to planets such as Jupiter.
Credit: Image by Jon Lomberg, provided by Gemini Observatory
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Related news release: Brown dwarf found orbiting a young sun-like star