Twirling pair Artist’s impression of Gliese 229Ba and Gliese 229Bb orbiting each other to create Gliese 229B. The brown dwarf pair orbit a cool M-dwarf star (shown in the distance) every 250 years.

Brown dwarfs are objects that straddle the dividing line between stars and planets. They form like stars, growing dense enough to collapse under their own gravity, but they never become dense and hot ...

Sometimes a brown dwarf is actually a planet — or planet-like anyway. A team led by Carnegie’s Jonathan Gagné, and including researchers from the Institute for Research on Exoplanets (iREx) at ...

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A new study has been completed in an attempt to answer some of the questions surrounding brown dwarfs. A brown dwarf is an object with a mass between that of a planet and a star. One of the questions ...

Image caption: This discovery image from the Gemini Observatory represents the closest brown dwarf companion ever directly imaged around a star (named LHS 2397a). This image was obtained on Feb. 7, ...

The James Webb Space Telescope zoomed in on extremely faint objects, called brown dwarfs, in the Flame Nebula. Credit: NASA / ESA / CSA / STScI / M. Meyer (University of Michigan) There's a class of ...